Simplify the expression.- 
+ 
A. 
B. 
C. 
D. - 
Answer: A
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceAn ideal projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 230 m B. ? 60 m C. ? 290 m D. ? 185 m
Multiply or divide the fractions. Reduce to simplest form.
? 
A. 
B. 
C. 
D. 
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.236.85 + 8 + 15.743
round each to the nearest one
A. Estimate: 259; Actual: 260.593 B. Estimate: 261; Actual: 260.593 C. Estimate: 259; Actual: 261.593 D. Estimate: 261; Actual: 261.593
Find different polar coordinates (r, ?) for the same point under the given conditions.
, r < 0 and 0 < ? < 2?
A. 
B. 
C. 
D. 