Which expression can be substituted for x in the top equation of the following system to solve the system by substitution? 2x-7y=15 x+4y=6

What is the simplified for of the following expression: 2x2^y+3x2^+4y+3x2^y+2y

A coral reef grows 0.14m every week. How much does it grow in 12 weeks? Write your answer in centimeters.

Paige has $7.75 to buy 12 sheets of felt and card stock for her scrapbook. The felt cost $0.50 per sheet, and the card stock cost $0.75.

Is 5/6 greater than 6/6

Solve the problems. Be sure to show al lof your work. 2 4/12+8/12

If you have 50 red bead 50 blue beads 50 green beads what I'd the probability that will be blue

13. On a camping trip, you decide to hang your backpack from a rope stretched between two trees, so bears can't steal your food while you sleep. The trees are 20 feet apart, and the rope is tied to each tree at a spot 12 feet above the ground.

What is 6 and 1/5 - 2and 1/3

Starting from rest the motor boat travels around the circular path (radius of curvature = 40 m), at a speed (v = 0.8 t m/s), where (t) is in seconds. The magnitude of the boat's velocity when it has traveled 20 m is

Insert commas in the correct positions for the number3790241068