The base of a ladder is 10 feet away from a vertical building. The ladder top rests at the top of the building. The ladder's angle of elevation from the bottom of the ladder to the top of the building is 70°.
What is the height of the building?
O 13.94 ft.
O 27.47 ft.
O 41.76 ft.
O 32.14 ft.
O 53.30 ft.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.