Nancy and Kevin collect coins. Nancy has x coins. Kevin has 8 coins fewer than 2 times the number of coins Nancy has. Write and simplify an expression for the total number of coins Nancy and Kevin have.

Ax has sticks of lengths 6, 7, 8, and 10 inches. He wants to make a right triangle for an art project. Which 3 sticks should he use? 6 in., 7 in., and 8 in. 6 in., 7 in., and 10 in. 6 in., 8 in., and 10 in. 7 in., 8 in., and 10 in.

Which is the graph of the system of equation y=3x+6 and y=3x+1?

A research study was conducted to measure the time students focused on a task before being distracted. The box plots show the distributions of attention spans of high school and college students.

Find all solutions in the interval [0, 2π). sin^2 x + sin x = 0

A paper clip is just over 4 cm long. How many paper clips like this can be made from a straight piece of wire 10 meters long?

A trapezoid with a height of 8 ft has bases of length 14 ft and 12 ft. Find the area of the trapezoid.

If you roll a standard number cube 65 times, how many times do you expect the cube to show an even number? Round the measure to the nearest whole number

Sound waves are emitted from a fishing boat. Some of the sound waves are reflected by fish and detected back at the boat. The shortest time between the sound waves being emitted and detected is 0.26 s. The speed of sound in water is 1500 m/s.

To make orange paint, Pedro mixes red paint and yellow paint in the ratio 3:2. If he uses 8.5 gallons of yellow paint, how many gallons of red paint does he use?

In which of these examples, binomial distribution can be used? a) Finding the best month to launch a new product b) Accurately predicting who will be promoted at work c) Predicting the score of a cricket match d) Probability of getting a certain