Cos 300 degrees exact value

Solve for x. Enter your answer in interval notation using grouping symbols x^2+2x<15

In a recipe for fizzy grape juice, the ratio of cups of sparkling water to cups of grape juice concentrate is 3 to 1. a.

Two students are asked to come to the board to work a math problem. Each student could work an easy question (E) or a hard question (H). Drag and drop the letters to show all the possible outcomes for the students' choices.

The profit function, y, for selling x shirts is given by the equation y=-0.1x^2+10x. What is the maximum value of the profit, y?

In a class of 26 student, 15 of them like maths, 13 of them like english and 9 of them don't like maths or english. Find the probability that a student chosen at random like english but not maths.

Distributive property for 144 divided by 8 (5th grade)

A cookie factory uses 1/10 of a bag of flour in each batch of cookies. the factory used 1/2 of a bag of flour yesterday. how many batches of cookies did the factory make?

What is the mean of the following numbers? 15, 10, 7, 12 A 15 B 11 10 D 12

A fair spinner has 9 equal sections: 3 red, 4 blue and 2 green. It is spun twice. What is the probability of getting red both times?

A family wants to save $100 each month. They record their progress toward this goal at the end of each month. In January they saved $120 and recorded + $20 at the end of the month.