A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
(b + B)h; A = 114, b = 20, B = 18
A. 76
B. 19
C. 360
D. 6
Answer: D
Mathematics
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Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.5y4 - y = 1 - x3
A. - 
B. 
C. 
D. 
Mathematics
Solve the system of equations by the substitution method.6x + y = -73x - 5y = -9
A. 
B. 
C. {(1, 9)}
D. 
Mathematics
Solve the equation by completing the square.(x + 2)(x + 3) = 32
A. 3, -3
B. 
, 
C. -2, -3
D. No real solution
Mathematics
Express the solution set of the inequality in interval notation.x < -18
A. (-18, ?) B. (-?, -18] C. [-18, ?) D. (-?, -18)
Mathematics