Nayeli’s rectangular lawn has a perimeter of 126 meters. the ratio of the length of the lawn to the width of the lawn is 5: 2. what is the width of nayeli’s lawn?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.

Betty correctly answers 30 questions on your math test there are 40 questions on the test what percent of the questions did she answered incorrectly