Write each sentence as an equation. 9. Eight less than 1/3 a number n is -13.
10. A number f multiplied by -12.3 is -73.8

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers