Jada spent $43.00 on a new seat and two new tires for her old bicycle. the seat cost $15.00.how much did each tire cost?

Which two undefined geometric terms always describe figures with no beginning or end?

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?