Simplify x + 4 + 3x

an 18 - foot ladder is keaning against the side of a building forming a right triangle. The angle formed by the ladder by the kadder snf to the ground is 60°.

An arithmetic series has seven terms. the first term is 5 and the last term is 53. find the sum of the series!

The average person loses about 8*10^1 strands of hair each day. About how many strands of hair would the average person lose in 9 days?

Madeleine wants to paint her living room and dining room taupe. the total area to be painted is 825 ft2. each gallon covers 75 square feet. how many gallons does she need to buy?

Where is the best place to save money if you would like it to earn more money?

Choose the converse of the following statement. They are not left behind, if they are on time. If they are not left behind, then they are on time. If they are on time, then they are not left behind. If they are not on time, then they are left behind.

An airplane flies 105 miles in ½ hour. How far can it fly in 1 ¼ hours at the same rate of speed?

Two window washers, ian and caleb, lean a ladder against the side of a building so that Ian can wash a window while Caleb holds the ladder. The top of the ladder reaches the window, which is 15 feet off the ground.

Charlize and camille solved the equation 4x-2y=8 for y

The average woman's height is 65 inches with a standard deviation of 3.5 inches. a.) Determine the z-score of a woman who is 70 inches tall. Round to the nearest tenth. b.