In 2009, John paid $7,890 in federal income tax. In 2010, he paid 50% less. How much did John pay in 2010?

If the ratio of boys to girls in the classroom is 3 to 5, if there are 25 girls in the class how many boys are there?

The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units

The 10 students who completed a special flying course are waiting to see if they will be awarded the one Distinction or the one Merit award for their efforts. aIn how many ways can the two awards be given if: 1.

2 a rectangle has an area of 347.13 cm^2. if the length is 20.3 cm, what is the width of the rectangle?

he radius of a right circular cylinder is increasing at a rate of 7.5 inches per minute and the height is decreasing at a rate of 13.5 inches per minute. What is the rate of change of the surface area when the radius is 15.

Subtract 5x-2 from - 3x+4. What is the answer? -8x+6 8x-6 -8x+2 2x + 2

344 thousands* 10 1 =

Indicate the degree of the term. a^10

How do you describe the sequence 7,14,21,28

What is the greatest common factor between 120 and 88?