Ernesto saves $5.25 every week. about how many weeks will it take
ernesto to save $315?
a
50 weeks
b
60 weeks
© 65 weeks
070 weeks

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4