Solve using the addition principle.-15 = b - 10
A. -5
B. 25
C. -25
D. 5
Answer: A
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Use two equations in two variables to solve the following problem.Maria and Susan pool their resources to buy several lottery tickets. They win $400,000! They agree that Susan should get $50,000 more than Maria, because she gave most of the money. How much will Maria get?
A. $230,000 B. $225,000 C. $75,000 D. $175,000 E. $90,000
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 12 sin t - cos tFind the body's acceleration at time t = ?/4 sec.
A. - 
m/sec2
B. 
m/sec2
C. - 
m/sec2
D. 
m/sec2
Solve the problem.The graph depicts the amount of water left in a bathtub. Find and interpret each intercept.
A. (0, 3); (30, 0); The bathtub initially contained 3 gallons and emptied in 30 minutes. B. (0, 3); (30, 0); The bathtub initially contained 30 gallons and emptied in 3 minutes. C. (0, 30); (3, 0); The bathtub initially contained 3 gallons and emptied in 30 minutes. D. (0, 30); (3, 0); The bathtub initially contained 30 gallons and emptied in 3 minutes.
Solve the problem.Anna spent $69.25 on a pair of shoes and $63.90 on a new jacket. How much money did she spent all together?
A. $133.15 B. $127.8 C. $133 D. $131.15