Solve the problem.Joe bought 7 bolts on one day and 14 more the next. How many bolts did he buy?
A. 22 bolts
B. 7 bolts
C. 21 bolts
D. 31 bolts
Answer: C
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Solve.What is the compression ratio of a gasoline engine whose expanded cylinder volume is 225 cu in. and whose compressed volume is 18 cu in.?
What will be an ideal response?
Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. 
= 2; 
= 5
B. 
= - 
; 
= 0
C. 
= - 2; 
= 1
D. 
= - 2; 
= -5
Use the Pythagorean Theorem to find the length of the missing side.Then find the indicated trigonometric function of the given angle. Give an exact answer with a rational denominator.Find sec ?.
A. 
B. 
C. 
D. 
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.5x+ 3.1y- 2.3z+ 0.6w= 2.76.1x- 0.5z- 3.4w= 0.8 11.5y- 2.2w= 04.0x+ 3.0y- 2.1z= 9
A. (3.6, 1.1, 4.1, 5.6) B. (7.9, 2.4, 9.0, 12.3) C. (3.2, 1.0, 3.7, 5.0) D. (4.3, 1.3, 4.9, 6.7)