Solve the equation.13z = -26
A. 2
B. 26
C. -26
D. -2
Answer: D
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = 
, u = 4x - 7
A. 
B. - 
C. - 
D. - 
Write an expression in terms of the given variable(s) that represents the indicated quantity.Joel's total earning after 3 years if the first year his salary was s dollars, the second year it was $7000 higher, and the third year it was twice as much as the first year.
A. 3s + 7000 dollars B. 2s + 7000 dollars C. 4s + 7000 dollars D. 3s + 7000s dollars
Clear fractions then solve by substitution.
+ 
= 4
- 2y = 21
A. {(6, -8)} B. {(-6, 8)} C. {(x, y)| 7x + 5y = 48} D. ?
Match the property with the example of it.Associative property
A. (3 + 4) + 0 = (3 + 4) B. (3 + 4) + 7 = (4 + 3) + 7 C. (3 + 4) + 7 = 3 + (4 + 7) D. (3 + 4) + 7 = 3 + (4 + 3)