Rachel bought $12.53 worth of school supplies. She still needs to buy pens, which are $2.49 per pack. She has a total of $20.00 to spend on school supplies. How many packs of pens can she buy?

Using the Quadratic Formula solve this: 5r^2 = 80

What is the answer to 38-19+12

3 (x - 2) = 3x - 23x + 7 = 7 + 3x4 - 5 (x - 6) = 5 - 5x - 304x + (3 + 6x) = (4x + 3) + 6x6x - 5 + 7y = 7y - 6x + 5 5 - 2 = 2 - 5 If 6 (x - 2) = 18, then 6x - 12 = 18If x = y and y = z, then x = z True False

What is the first step when rewriting y = - 4x2 + 2x - 7 in the form y = a (x - h) + K?

The number of states that joined the United States between 1776 and 1849 is twice the number of states that joined between 1850 and 1900.

Factor 9x^2+66xy+121y^2

Im having trouble with this question The ninth grade class has a ratio of 4 boys to 5 girls. If there are 630 students in the grade, how many are boys?

1. Write an equation to model the data in the table. x | y 0| 3 1 | 5.3 2| 7.6 3| 9.9 4| 12.2 A. y = 2.3x^2 + 3 B. y = 2.3x + 3 C. y = 2.3x X 3^x D. y = 3x 2. Write an equation to model the data in the table. x | y 0| 1.4 1 | 4.2 2| 12.6 3| 37.

Find the perimeter and area of a rectangle of cardboard measuring 18.2 cm by 6.2 cm

4.648 numeric form to expanded form with decimals