What is 5x - (8x+9) + 4.5x

Larry has 8 blue marbles and 12 red marbles. What fraction of his marbles are red?

What is the slope of y=-3x-2

Which equation represents a proportional relationship with a constant of proportionality of 14?

Ben bought a desk for 249.99. The sales tax rate was 6.25. How much did ben pay for the desk. Round your answer to the nearest cent.

An external sinusoidal force is applied to an oscillating system which can be modelled by a model spring and a damper. The general solution of the equation of the motion is given by, x = 4 + 3.984cos (2nt-B) + 2.81exp (-8.

You flip a coin three times. a. what is the probability of getting heads on only one of your flips? b. what is the probability of getting heads on at least one flip?

woodland middle school $1,710 on calculators for the 180 students in the school. What is the rate spent per calculator?

Aliyah had some candy to give to her four children. She first took ten pieces for herself and then evenly divided the rest among her children. Each child received two pieces. How many pieces did she start with?

Park two has 12 more benches than Park one. If 2 benches were transferred from Park two to Park one, then Park two would have 2 times more benches than Park one. How many benches were originally there in Park two?

78362 divided by 509