Solve : 5m – 4 = 4m + 18 pls tell answer fast first answer will get brainliest

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog