Apainter leans a 25-ft ladder against a building. the base of the ladder is 7 ft from the building. to the nearest foot, how high on the building does the ladder reach? 20 feet 18 feet 26 feet 24 feet

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x