A laptop has a listed price of $633.98 before tax. If the sales tax rate is 8.5%, find the total cost of the laptop with sales tax included

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Secant be and cf intersect at point d inside a what is the measure of cde

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°