Eric played piano and guitar for a total of 8 hours this week. He practiced the piano 3/4 of that time. How many hours did Eric practice the piano this week?

Fiona made a score of 76 on her midterm exam for her to get a b in the course the average of her midterm exam and final exam must be between 80 and 89 inclusive what possible scores on the final exam would give Fiona a b in the course?

Solve this equation: 3x-1/5-2/9x=124/5 Step 1: Simplify by combining like terms. Which terms can be combined? A) 3x and - 1/5 B) - 1/5 and - 2/9x C) 3x and - 2/9x

Find the annual simple interest rate if: I=$60, P=$500, and t=3 years.

For what value of x, the triangle having the sides x, x+7, x+8 is a right angled triangle

Just a simple linear equation: 7 - 3x = 13 + 2x

Can√ (a²+b²) be written as √ (a+b) ?

Express the product of 2x2 + 6x - 8 and x + 3 in standard form.

Trent wants to buy 2 packs of trading cards for 3 dollars each. The tradings cards

Simplify. 4n + 12 + 7n

What is the minimum value of f (x) = x2 - 10x + 19? -10 -6 19 5