What is the solution of the system of equations? y = –2x + 5 –5y = 10x + 20

a. infinitely many solutions

b. (0, 20)

c. (1, 3)

d. no solution

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone