Keyanna saved $75 this summer by babysitting. after school, she makes $10 a week babysitting.

a) write an equation for the amount, a, of money that she will have after w weeks.
b) how much will she have after 5 weeks?
c) how many weeks until she has $255?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.