Simplify this rational expression?

8a / 10 (a+b)

The product of a number and - 7/10 is 1/2. What is the number? -5/7 5/7 -7/20 7/20

Simplify (2t) (3t) (t^2)

How long will it take 680 dollars to earn 102 dollars in simple interest at an annual interest rate of 3%? Show your work in an easy way.

The volume of a fish tank is 70 cubic feet. If the density is 0.4fish/feet how many fish are in the tank

37 % of a certain country's voters think that it is too easy to vote in their country. you randomly select 12 likely voters.

Which is greater 100 inches or 3 yards 1 feet

110x12 ... will make brainliest

15 is 9 more than j. As an equation.

You buy 8 packs of markers with 20markers in each pack. You already had 10 markers. Which equation shows how to calculate the total number of markers, m, you have?

Runyon Company sells T-shirts ($5) and shorts ($6). If total sales were $1,040 and people bought 4 times as many T-shirts as shorts, what was the total number of T-shirts and shorts sold? A. 120; 60 B. 140; 40 C. 180; 60 D. 160; 40