The number of students enrolled at a high school has increased from 398 ta 503. Which is the best estimate of the percent of increase in enrollment?
20%
10%
50%
25%

Solve 2x+y=3 x+y=5 in substitution method

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza