A runner runs a distance of 400 metres in a time of 50 seconds. What is his average speed?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

What is 10+10+20 about the origin the square root of a triangle.