Mary has 18 marbles. if tim has 5 times as many marbles as mary, which number sentence shows how many marbles tim has? a. 18 × 18 = 324 b. 18 + 5 = 23 c. 5 × 5 = 25 d. 5 × 18 = 90

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

Find the distance between the pair of points a(-1,8) and b(-8,4)

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation