Find the distance d(P1, P2) between the points P1 and P2.P1 = (-2, -7); P2 = (4, 7)
A. 8
B. 160
C. 2
D. 160
Answer: C
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Simplify the following radical expression.
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A. 
B. 
C. 
D. 
E. 
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.P = 2L + 2W; L = 7, W = 6
A. 26 B. 20 C. 13 D. 84
Solve the equation. Round the solution to four decimal places, if necessary.ln (6x9) - 4 ln (x2) = 4
A. 0.453 B. 36.3988 C. 2.2749 D. 9.0997
Solve the problem.A projectile is fired upward from the ground with an initial velocity of 400 feet per second. Neglecting air resistance, the height of the projectile at any time t can be described by the polynomial function P(t) = -16t2 + 400t. Find the height of the projectile at t = 9 seconds.
A. 3456 ft B. 2404 ft C. 2304 ft D. 3600 ft