Jared bought a package of pens containing 20 pens. If 3/4 of the pens had black ink, how do you determine the number of pens with black ink?

A fair coin is tossed once. if a head comes up, a fair die is tossed once. if a tail comes up, a fair die is tossed twice. the probability of observing at least one six is

How do you write numbers in scientific notation? 0.0021

Write 1386 as the product of its prime factors. a 2x693 b. 2x3x231 c. 2x3x7x33 d. 2x3x3x7x11

Find the area of a regular pentagon whose apothem is 25.1 and perimeter is 182

What is 2 3/10 plus 1 1/4

What are the solutions of the equation x4 - 5x2 - 36 = 0? Use factoring to solve. A. x = ±2 and x = ±3 B. x = ±2i and x = ±3 C. x = ±2 and x = ±3i D. x = ±2i and x = ±3i

The runways at the local airport are sketched in the figure classify 1 and 2 as cute obtuse right or straight

four students estimated the width of the door to their classroom. who made the best estimate? a, ted:1foot, b, hank, 3 feet, c, ann, 10feet, d, maria, 15feet

What is the median and mode for 2,3 6,6,8

An architect draws a blueprint of a house. He draws the living room on the blueprint as 4.5 in. long by 6 in. wide with a scale of 1 in. for every 4 ft. He draws a second copy of the blueprint with a scale of 1 in. for every 3 ft.