In math, what is the definition of "variable"?

in a sample of people on the school board 2 out of 5 are in favor of New high school being built at 3500 people vote in the next local election approximately how many would vote against the new high school being built?

Jacob buys 3 hot dogs and a $1 soda. he spent $5.50 in all. what is the cost of one hot dog?

Cual es el mejor? 0.05, ½, 0.2

Solve the inequality 7a + 13 < 48. A. a = 5 B. a ≤ 5 C. a 5

If it is not warm, then it is not hot

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