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Questions in Grade College

[Jawaban] Sodium hydroxide $(NaOH)$ was added to pure water $(H_2O)$. Which most likely were the pH values of the water before and after the sodium hydroxide was added to it? A. before = 7, after = 9 B. before = 7, after = 4 C. before = 4, after = 7 D. before = 9, after = 7

[Jawaban] What is the product of [tex]$\left(2 x^2+5 x-3\right)$[/tex] and [tex]$(3 x+7)$[/tex]? A. [tex]$6 x^3+29 x^2-26 x+21$[/tex] B. [tex]$6 x^3+14 x^2+35 x-21$[/tex] C. [tex]$6 x^3+15 x^2-9 x-21$[/tex] D. [tex]$6 x^3+29 x^2+26 x-21$[/tex]

[Jawaban] Complete each sentence below with the correct form of decir. ¿Por qué a. dije b. dijeron tú que fue (it was) una lástima? c. dijimos d. dijiste

[Jawaban] Write the next three steps for the given pattern. $\begin{array}{l} 1 \times 1=1 \\ 11 \times 11=121 \\ 111 \times 111=12321 \\ 1111 \times 1111=1234321 \\ 11111 \times 11111=123454321 \end{array}$

[Jawaban] $\frac{625 \times 5^{-50}}{25^2}$

[Jawaban] are more likely to graduate from college than O men; women O African Americans; Non-Hispanic White Americans O women; men Hispanic Americans; African Americans

[Jawaban] Which of the following is the complete function? a. int funct(int) {printf("hello"); } b. int funct ( x ) {printf("hello"); c. int funct(int x ) {return x = x +1; } d. int funct();

[Jawaban] An artist who was famous for his lifelike depictions of the human body during the Renaissance was A. Botticelli B. Donatello C. Saint Mark D. Michelangelo

[Jawaban] Selecciona el sinónimo de la palabra obtener. A. sugerir B. conseguir C. cumplir D. discutir

[Jawaban] An Insurance agent claims that the average age of policy holders who insure through him is less than the average age of all other agents, which is 30.5. A random sample of 100 policy holders who had insured through the agent gave the following age distribution: | Age | 16-20 | 21-25 | 26-30 | 31-35 | 36-40 | 41-45 | 46-50 | |---|---|---|---|---|---|---|---| | Number of persons | 12 | 16 | 18 | 20 | 14 | 10 | 10 | Test the claim that the average age is less than the figure for all the other agents at a 5% level of significance.