Given (1, 21) and (2, 147) Tom was asked to create an exponential equation that models the situation. Tom thinks that the equation should be f\left(x\right)=21\left(7\right)^xf (x)=21(7) x
. Given Tom’s solution do you agree with him? Explain your reasoning.

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

How to solve a simultaneous equation involved with fractions?