Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the corner is 90 degrees?

Share 40 in the ratio 1:4

Which expression is the factored form of 2/3x + 4? A. 2/3 (x + 4) B. 1/3 (2x + 6) C. 2/3 (x + 12) D. 2/3 (x + 6)

Greg has 15 marbles. He puts them in 3 equal group How many marbles are each group

2 kids have a car wash the frist makes $5040per car plus $5 in tips the second earns $3.20 prr car and $8 in tips c represents numbers cars they washed which simplifed expression is the total amount they both earned (1) 21.6c (2) 13.4c + 8.2 (3) 8.

What is 5/6 as a percent rounded to the nearest hundredth

How many people are between 159 cm and 179 cm

What fraction is equivalent to 5.1? is 5.1 a rational number?

Natalie has a choice of three breads, five choices of meats, and four choices of cheese to make a sandwich. how many different sandwiches can she make?

What is the area of this triangle 12 inches and 3 inches

Write as an expression and simplify: the tripled product of 6a and b^2