Solve the formula for the specified variable.7x + 10y = 19 for y
A. y = 
x + 
B. y = -
x + 
C. y = 7x - 19
D. - 7x - 10y = -19
Answer: B
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A. 7 B. 6 C. 11 D. 15
Express the set of real numbers graphed on the number line using an inequality.
A. x > 3 B. x ? 3 C. x ? 3 D. x < 3
Solve the problem.The velocity of a body of mass m falling from rest under the action of gravity is given by the equation 
where k is a constant that depends on the body's aerodynamic properties and the density of the air, g is the gravitational constant, and t is the number of seconds into the fall. Find the limiting velocity, limt?? v, of a 320 lb. skydiver (mg = 320) when k = .006.
A. 230.94 ft/sec B. There is no limiting speed. C. 73.03 ft/sec D. 0.00 ft/sec
Solve the problem.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 28 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 35 minutes
assistant: 140 minutes
B. baker: 140 minutes
assistant: 35 minutes
C. baker: 140 minutes
assistant: 560 minutes
D. baker: 8
minutes
assistant: 33 minutes