Simplify the expression.
A. 4x2
B. x2
C. 4x3
D. x3
Answer: C
Mathematics
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One positive number is 2 larger than another number. The sum of their squares is 52. Find the numbers.
A. 4, 6 B. 7, 8 C. 5, 7 D. 6, 7 E. 2, 4
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In the figure shown, Z = 53ê and XC = 40ê. Find R and é
Mathematics
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 208 ft/sec, and the gorge is 672 ft deep, during what interval can the flare be seen? (h = -16t2 + vot + ho.)
A. 12 < t < 13 B. 0 < t < 6 C. 18 < t < 19 D. 6 < t < 7
Mathematics
Evaluate.79 ? 22 + 12 ? 172 ÷ 2
A. 3472 B. 1952 C. 1942 D. 3482
Mathematics