Find the value of y when x equals 20 - 2x+4y=-4

A train travels 304 miles in 4 hours if it continues to travel at the same rate, how many miles willit travel 7.5 hours?

3. Ivan has 15 yards of green felt and 12 yards of blue felt to make 3 quilts. If Ivan uses the same total number of yards for each quilt, how many yards does he use for each quilt?

A bag contains 2 blue, 4 green, and 3 white chips. What is the probability of drawing a white chip then another white chip without replacement? A.) 7/9 B.) 8/81 C.) 2/3 D.) 1/12

What is tangent of 11/6?

How do I solve this 8 (c-9) = 6 (2c-12) - 4c

Find the vertex, focus, and directrix of the parabola. 3x2 + 16y

Is the sum of two polynomials always a polynomial

Isaac buys milk to make milkshakes for all his friends. He buys quart of milk and one half gallon of milk. How many cups of milk did he buy?

Y = 1/2x-4 and y = - 2x-9 what is the solution of equations

a school cafeteria is considering new menu options. the manager puts a comment box jn the cafeteria where students can anonymously submit their choices. is this a representative sample? explain why or why not