Solve the proportion and check.
= 
A. 
B. 1394
C. 4
D. 42
Answer: D
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Translate the phrase to an algebraic expression. Use n as the number unless otherwise indicated.eight-tenths added to a number raised to the fifth power
A. 0.8 + 5n B. 8 + n5 C. 0.8 + n5 D. (0.8 + n)5
Evaluate.4!
A. 24 B. 5040 C. 6 D. 120
Solve the problem.A baseball pitcher throws a baseball with an initial speed of 128 feet per second at an angle of 20° to the horizontal. The ball leaves the pitcher's hand at a height of 4 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 120.28t, y = -16t2 + 43.78t + 4 5.65 sec, 1.368 sec, 29.948 feet B. x = 120.28t, y = -16t2 + 43.78t + 4 2.642 sec, 1.368 sec, 3.984 feet C. x = 120.28t, y = -16t2 + 43.78t + 4 5.283 sec, 1.368 sec, 243.586 feet D. x = 120.28t, y = -16t2 + 43.78t + 4 2.825 sec, 1.368 sec, 33.948 feet
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. x + 4
C. 
D. x - 4