Whats the equivalent expressions by conbining like terms 5a + 4 + 2a

What does v = Bh over 3 for B=36 inches squared. and h=11 inches equal.

Factor the expression. 40z - 20

In one week 97 cell phones were sold. The following week, 48 more cell phones were sold than the week before. How many cell phones were sold in those 2 weeks

What is the value of 8/9 divided by 5/12?

If, while training for a marathon, you ran 68 miles in 2 2/3 months, how many miles did you run each month? (Assume you ran the same amount each month) Write your answer as a whole number, proper fraction, or mixed number in simplest form.

Solve the following. 3x+2=7x

Brandon rode his bike 90% of the distance that Carlee rode her bike this week. Brandon rode 58.5 miles. How many miles did Carlee ride this week?

45 620 000 to the nearest million

The base of the triangle is 8. The height of the triangle is 4 times the base. What is the area of the triangle?

A rectangular field has a length of 11m and width of 15m. lengths are measured to the nearest metre. what is the least possible area of the field? i just want to check whether my answer is right. an explanation would be appreciated.