Solve the problem.A projectile is fired from a height of 6.6 feet with an initial velocity of 126 ft/sec at an angle of 44° with the horizontal. The parametric equations for the path of the projectile are x = (126 cos 44°)t, and y = 6.6 + (126 sin 44°)t - 16t2,where x and y are in feet and t is in seconds. Determine the rectangular equation describing the path of the projectile.
A. y = 6.6 + 126x tan 44° - 
x2
B. y = 6.6 + 126x tan 44° - 
x2
C. y = 6.6 + x tan 44° - 
x2
D. y = 6.6 + x tan 44° - 
x2
Answer: D
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Measurements are made at two different times. Find the absolute change and then find the percentage change. Round answers to the nearest tenth if necessary.The total rainfall in Laketown last year was 7.4 inches. This year it was 0.8 inches.
A. Absolute change: 6.6 in. Percentage change: 825% B. Absolute change: -6.6 in. Percentage change: -89.2% C. Absolute change: -6.6 in. Percentage change: -8.9% D. Absolute change: -6.6 in. Percentage change: -825%
Solve the problem.Sara works at a fast food restaurant. On one day she sold 45 double hamburgers, 73 fish sandwiches, 96 orders of French fries, 72 small drinks, 57 medium drinks, and 58 large drinks. On the next day she sold 50 double hamburgers, 17 fish sandwiches, 32 orders of French fries, 68 small drinks, 79 medium drinks, and 94 large drinks. Write this information in a 6 x 2 matrix.
A. 
B. 
C. 
D. 
Find the distance from P1 to P2.P1 = (0, 0, 0) and P2 = (-2, -4, 2)
A. 2
B. 3
C. 
D. 2
Find all values that make the expression undefined.
A. 
B. 7
C. 7, -7
D. 49