Solve the inequality. 42−3x<−15

Which answer represents the solution set?

A. x<−9

B. x>19

C. x<19

D. x>−9

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?