What does the x in (4.8x + 15.5) + (2.1x - 12.2) mean?

How can turn a percentage to a fraction

A piece of duct measures 48 inches. When pieces are fitted together, 1 12 inches is lost connecting each successive length of duct. On the job 7 and 12 pieces of ducting are used. What, in inches is the total length of the finished duct?

Can you show the work for - 3n+17=56 because i know the answer but i don't know what how to the work

G (x) = x + 7 and h (x) = x 2 + 1 g[h (x) ] = A. x^2+8 B. x^2+14x C. x^2+50

A 15 foot ladder is leaning against a wall. if the top slips down the wall at a rate of 4 ft/s, how fast will the foot be moving away from the wall when the top is 13 feet above the ground

Linear Equations 2n+2=16

Jess recently started a business producing cosmetic products made from natural ingredients. She wants to advertise her products by distributing bags of samples in her neighborhood. She calculated that it takes a person 2 minutes to prepare one bag.

Solve the equation 5/7d=2/3

The ratio of the side lengths of a quadrilateral is 2:3:5:6 and its perimeter is 48 cm. What is the length of the longest side?

Two experiments are defined below. An event is defined for each of the experiments. Experiment I: Sarah flips a fair coin twice. Event A: Sarah flips heads both times.