Ajogging track is 1/5 mile and sara ran 14 laps how many laps to run 4 miles

Rearrange the formula c^2 = a^2 + b^2 for b

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x