Write an expression to state the problem and simplify.What is the sum of 4 consecutive integers if the first integer is x?
A. x + (x + 1) + (x + 2) + (x + 3); 4x + 6
B. x + x + x + x; 4x
C. 4x + x; 5x
D. Cannot be solved
Answer: A
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Evaluate or simplify the given expression.cos(2 sin-1 x)
A. 1 - x2 B. 2x2 + 1 C. 1 - 2x2 D. 1
Identify the number as prime, composite, or neither.0
A. Neither B. Composite C. Prime
For the pair of similar triangles, find the length of the indicated side.
In the upper triangle, the shortest side has length 16, and the middle side has length 24. In the lower triangle, the shortest side has length 12, the middle side has length 18, and the longest side has length 24. Find the length, x, of the longest side of the upper triangle.
A. x = 30 B. x = 32 C. x = 24 D. x = 40
Solve the problem.A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind?
A. 160 mph B. 80 mph C. 40 mph D. 200 mph