Solve the problem.The temperature at a science station was -38° at 8 am. At 3 pm, it was 30°. By how many degrees did the temperature rise?
A. by 68°
B. by -68°
C. by 8°
D. by -8°
Answer: A
Mathematics
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Find the product.(2m3z4)(3m4z2)
A. 6mz7 B. 6mz6 C. 6m7z6 D. 6m7z
Mathematics
Write an equation for a function that has a graph with the given characteristics.The shape of y = x2, but upside-down and vertically stretched by a factor of 8.
A. f(x) = 8(x - 8)x2 B. f(x) = -8x2 C. f(x) = 8x2 D. f(x) = (x - 8)2
Mathematics
Simplify.|-8 + 2| ? 93
A. 157,464 B. 735 C. 4374 D. -4374
Mathematics
Solve the inequality. Express your answer using interval notation.8x - 6 > 7x - 11
A. [-5, ?)
B. (-?, -5]
C. (-17, ?)
D. (-5, ?)
Mathematics