Two numbers a and b are in the ratio 3:4. if the first number is decreased by 2 and the second is decreased by 1, they are in the ratio 2:3. find a and

b.

An official hockey puck is 2.54 cm thick. About how thick are two hockey pucks when one is placed on top of the other?

The student council wants to rent a ballroom for the junior prom. The ballroom's rental rate is $1500 for 3 h and $125 for each additional half hour. Suppose the student council raises $2125.

Standard form: y=-3x^2-6x+1 Vertex form: y=-3 (x-1) ^2+4 Factored form:?

How many lines of symmetry does the butterfly have? A. 1 B. 2 C. 4 D. 6

solve n^2 + 3n - 12 = 6 using quadratic equation by completing the square and describe in detail each step

What is the scale factor of lmn to opq?

3. Which of the following is equivalent to 3 (y - 1 + 2y) ? A. 3y - 9 B. 6y - 3 C. 9y - 3 D. 3y - 3

If y various directly with x, write an equation for the direct variations. The find each value. 1.) If y = - 4 when x = 10, find y when x = 5 2.) If y = 12 When x = - 15, find y when x = 2 3.

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?