Solve for the variable.-5x + 9 = -10 + 4x
A. x = -
B. x =
C. x =
D. x = 1
Answer: C
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Solve the problem.The following table contains information about moons orbiting a planet named Geo I. Use the table to solve the problem.What is the average time of revolution of the moons? Round your answer to the nearest hundredth of a year.
A. 21.37 years B. 955.40 years C. 1.36 years D. 0.77 years
Simplify the expression. Assume that all variables are positive.
A. tz2
B.
C. t2z
D.
Determine if the given value of the variable is a solution to the equation.x(2x + 7) = 60; 4
A. not a solution B. solution
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The number of video stores in a region recently decreased from 121 to 98. Find the percent decrease.
A. 81% B. 426.1% C. 19% D. 23.5%