Which matrix equation represents this linear system? 2x-7y=-1 x+3y=-5capture. jpg

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.

Three lines meet at a point. set up and solve an equation to find the value of (a) is your answer reasonable? explain how you know