Use a real number to represent the situation.They hiked 355 feet below sea level.
A. +355
B. -355
Answer: B
Mathematics
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Find the product.(x + 7y)(3x - 8y)
A. x2 + 13xy - 56y2 B. x2 + 13xy + 13y2 C. 3x2 + 13xy - 56y2 D. 3x2 + 13xy + 13y2
Mathematics
Write an equation of the line described.Through (8, -4), perpendicular to x = -9
A. y = -4 B. y = 8x - 4 C. y = 8 D. y = 4
Mathematics
Solve the problem by integration.Find the area bounded by the x-axis, the curve y = 
, 
and 
A. -15.84 B. -16.23 C. 15.84 D. -2.32
Mathematics
Solve.A bike road race starts at an elevation of 580 ft. and passes through 
where the elevation increases (decreases) by -164 ft., -522 ft., 588 ft., 379 ft., and 408 ft. At what elevation does the race end?
A. 2641 ft. B. -2641 ft. C. 2053 ft. D. 1269 ft.
Mathematics