Factorise : (a+b) ^2+4 (a+b) + 4

Calculate the average of 766 and 876

Amanda has an unknown amount of balloons, 3 of them fly away, and has 8 balloons remaining. Write an equation to show how many balloons she started out with.

Write the equation of the line with slope - 4/3 and y-intercept 2 in slope intercept form.

The base of a triangle is 3 cm longer than its altitude. The area of the triangle is 35cm^2. Find the altitude. (Hint: use the area of a triangle. 1/2 * base * altitude.)

Is the square root of 81 a rational number and a integer

10m is equal to less than or greater than 1km

In mrs. romano's math class of 25 students, 8 of the the students play a musical instrument. What percent of the class plays a musical instrument

Edoardo thinks of a number between one and 20 that has exactly 5 factors what number is he thinking of?

Can be expressed as the sum u=v+w, where v satisfies the initial conditions

A box of 100 computer chips contains eight defective chips. suppose we selected a random sample of 10 chips from that box. find the probability that the sample had: a. at least one defective chip b. all defective chips c. nine defective chips d.