3x + 6y = 42 and -7x + 8y = -109 solve by elimination

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Find the arc length of the semicircle. 7the grade