PL Let n! Equal n×(n-1) ×…×2×1. For example, 4! = 4×3×2×1 = 24. A clerk performs the computation: 1% of 2% of 3% of … 100% of n and gets the number 99! . How many digits in n are zero? A) 98 b) 99 c) 198 d) 199 e) 200

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?