Evaluate.-6 + 3 - 10
A. -13
B. 7
C. 13
D. 1
Answer: A
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Write a chain rule formula for the following derivative.
for u = f(x); x = g(p, q, r)
A. 
= 
B. 
= 
C. 
= 
+ 
+ 
D. 
= 
Solve the system of equations using substitution.
A. x = 4, y = -5; x = 5, y = -4 or (4, -5), (5, -4) B. x = -4, y = 5; x = -5, y = 4 or (-4, 5), (-5, 4) C. x = -4, y = -5; x = 5, y = 4 or (-4, -5), (5, 4) D. x = 4, y = 5; x = 5, y = 4 or (4, 5), (5, 4)
Solve the problem.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
style="vertical-align: -4.0px;" /> at 
Round your answer to the nearest pound of force?
A. 33,973 lb
B. 34,137 lb
C. 34,675 lb
D. 34,105 lb
Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers X and Y. Multiply the matrices.
A. 
B. 
C. 
D. 