Which property justifies this statement?

"If 2a + 3 = b and b = 7, then 2a + 3 = 7."

A.

associative

B.

symmetric

C.

distributive

D.

transitive

Least to greatest 9.354 9.012 9.1 9.157

4/5 to 3/5 find the percent of change. Round to the nearest tenth of a percent if neccessary

At Clearview Middle School 56% of the students are boys and 44% of the students are girls what is the probability that if two students are chosen randomly one the first one will be a girl and the second one favorite subject will be science which is

Order the numbers from least to greatest. 2.1,-6/10,-9/4,-0.75, 5/3

How many times can 2 go into 528?

What does the equation y = x2 represent as a curve in the set of real numbers2?

The printer charges $4 per book to print it, and you spent $3500 on advertising. you sell the book for $15 a copy. How many copies must you sell so that your income from sales is greater than your total cost?

A roller coaster can accommodate 346 rider in 20 minutes. How many riders could ride in 90 minutes?

You have $12 to buy five goldfish for your new fish tank. Write and solve an inequality that represents the prices you can pay per fish.

Adam has 16.45 kg of flour, and he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches of scones. How much flour, on kg, will be in each batch of scomes?