If gary took part in a quiz show and won a million pounds.
then he spent half of the money left on a house.
how much did gary's house cost? ?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Adding and subtracting matricesfind the value of each variable. x = and y = would

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