At a point 100 m from the base of the Eiffel tower, the angle of elevation of the top of the
tower is 73º. How tall is the tower to the
nearest metre?

Which expression shows the sum of the polynomials with like terms grouped together

What is the total surface area of this square pyramid?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase