What is 5/6 - (-3/4)

A bag contains 3 red marbles and 6 blue marbles. what is the probability of randomly selecting a red marble

Find the surface area of the present. square : 15cm width and 15cm length

What is the domain of the functionf (x) = x+1/x^2-6x+8? all real numbers all real numbers except - 1 all real numbers except - 4 and - 2 all real numbers except 2 and 4

Which of the following could be lengths of the sides of a 30° - 60° - 90° right triangle? A.) 9 cm, 9 cm, 9√2 cm B.) 10 cm, 20√3 cm, 20 cm, C.) 11 cm, 11√3 cm, 22 cm D.) 7cm, 7√2 cm, 7√3 cm

What are the roots of this function? f (x) = x2 - 8x + 12 A) {2, 6} B) {8, 12} C) {-3, - 4} D) {-4, - 4}

a car has 15 gallons of gas in its tank the car travels 35 miles per gallon of gas how much gas does the car used to go 100 miles

Identify all factors of the expression 4x^2+17x-15 a. 2 b. 3 c. x - 5 d. x + 5 e. 4x - 3 f. 4x + 3

Factor out the common terms 6m - 21p

local bank employs 36 individuals of which 15 are smokers. What is the ratio, in simplest form, of the non-smokers to the total number of employees at the local bank?

Peter buys a small wind turbine for use on his farm. It generates 13,000 kWh of electricity in the first year. He uses 7,570 kWh of electricity and sells the remaining kWh to his energy suppliers. He receives £412.68 for the electricity he sells.