4. SquareJKLM with vertices J(0, -3), K(5, 0), I(8, -4), and M(4, -7): 90° counterclockwise

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Nine more than four times a number is the same as one less than twice the number. find the number?

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)