True or false: a variable expression consist of numbers or operations

In the figure below, triangle ABC is similar to triangle PQR, as shown below: What is the length of side PQ? A right triangle ABC with right angle at B and base BC is drawn. Length of AB is 4, length of BC is 2.

If prices increase at a monthly rate of 1.2 %, by what percentage do they increase in a year?

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Donna bought 3 bags of dog treats for $8.40. What is the cost per bag of dog treats?

the listed price of a pair ofshoes is Rs 480. Iftheshopkeeper allow a dicsont of 10%, how should acustomer pay for them?

It has a one solution of x=3 and the equation is 4 (5x-4) = 4x

Which equation has no solution? 4x + 3) + 2x6 (x + 2) 5+2 (3 2x) = x + 3 (x+1) 5 (x + 3) + x = 4 (x + 3) + 3 4 + 6 (2 + x) = 2 (3x + 8)

A teacher promised a movie day to the class that did better, on average, on their test. The box plot shows the results of the test: box plot labeled 2nd period with min at 77, Q1 at 78, median at 89, Q3 at 92, max at 100.

Solve the equation for y. 8x - 9y = 11 A). y=-9/8x-9/11 B). y=9/8x+11/8 C). y=-8x-11 D). y=8/9x-11/9

Suppose you painted the walls of your classroom. describe how to find the area of the walls that are painted.