Kiyo bought a pizza for 12.75 and four medium drinks at paulis pizza. define a variable and write an expression to represent the total amount of money he spent. then find the total cost if 1 drink is $3

Factor the polynomial 8y^2 - 72 btw "^" means exponent

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

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.