Write an expression for the following situation and solve it. Mr. Simms bought 20 pencils. He used 1/4 of the pencils and then gave 4 to his students.

Rachel can make 16 cards in 5 minutes. How many cards can she make in 1 hour

What is 71/9 written as a mixed number

In a study of students under 25 years old, 12% have not yet learned to drive. What percentage can drive?

A health food store buys nuts in 10-kilogram containers and repackages the nuts for resale. The store packages the nuts in 100-gram bags, costing $0.07 each, and sells them for $2.59 per bag.

1) A scuba diver descends to a depth of 30 meters below sea level and then rises 23 meters to study a school of fish. How far below the surface is the school of fish?

You randomly draw a marble from a bag of marbles that contains 3 blue marbles, 4 green marbles, and 5 red marbles. What is P (draw a blue marble)

Divisibility rule for 4.

7 less than a number A 7-x B 7x C 7 divided x D x-7

What is the Taylor series for f (x) = sin^2 (5x) ?. Hint: using the identity sin^2 x = 1/2 (1-cos (2x))

Product of 289 and 7