Simplify.x - (9x + 4)
A. 8x - 4
B. -8x + 4
C. -8x - 4
D. -12x
Answer: C
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Use Venn diagrams to determine whether the following statements are equal for all sets A and B.(A ? B)', A' ? B'
A. equal B. not equal
Solve the problem.From a balloon 1014 feet high, the angle of depression to the ranger headquarters is 61°42'. How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 551 ft B. 546 ft C. 536 ft D. 541 ft
Find the approximate equation of the line that has the given slope and contains the given point. Write the equation in slope-intercept form. Round the constant term to two decimal places if necessary.m = -3.5, (-4.4, 7.4)
A. y = -3.5x + 22.8 B. y = -0.29x + 6.14 C. y = -3.5x - 8 D. y = 3.5x - 8
Find the sum.1 + 3 + 5 + . . . + 99
A. 2500 B. 7450 C. 5000 D. 3725