10a-5+3a-2a when a=7

In triangle ABC,

Name the property the equation of illustration - 5 + (8+10) = (-5+8) + 10

Which of the following is true of the scientific method? It is a structured, orderly process for conducting a research study. It is synonymous with research. It was originally proposed by Aristotle. It is always a long and complicated process.

Two boxes have the same volume. One box has a base that is 22 inches by 22 inches. The other box has a base that is 44 inches by 44 inches. How many times as tall is the box with the smaller base?

In a certain country, income tax is assessed as follows. There is no tax on income up to $15000. Any income over $15000 is taxed at a rate of 10%, up to an income of $25000. Any income over $25000 is taxed at 15%.

A sample of fifth-grade classes was studied in an article. One of the variables collected was the class size in terms of student-to-faculty ratio. The student-to-faculty ratios of the 70 fifth-grade classes sampled have a mean of 17.

Patrick, Paulo, and Joseph divided 68 oranges. Patrick got two oranges less than Paulo and Paulo got twice as much as Joseph. How many oranges did Joseph get?

Goofy wants to buy white rice. The store has 4 different sizes of white rice bags: $2.00 for 1 pound, $4.25 for 2 pounds, $9.50 for 5 pounds, and $20.00 for 12 pounds. Which poundage should Goofy buy?

Find the measure of angle JCA if J is the incenter of the triangle ABC

Irregular quadrileral find x 80 + 95 + 38 + x