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

ok what about this ... i'm sorry i just can't think straight at the moment i have too much going on ... 2 (-10) - 9y=-38 find the value of y

Use the change of base formula to compute log5 8. Round your answer to the nearest thousandth.

Ginger's cat gave birth to a kitten that weighed 3 3/8 ounces when it was born. On the day Ginger sold the kitten to its new owner, it weighed 5 1/2 ounces. How many ounces did the kitten gain before it went home with its new owner?

Is 1.75 a reasonable estimate of the value of square root 8

12 minutes she wants to jump rope for 8 minutes and play and tag for 5 minutes will Tasha have enough time explain

What is the value of s in the equation 3r=10+5s when r = 10

What are the possible values for b for the following values of c, for x^2 + bx + c if b > 0. List at least TWO possible integers. 1. c = - 7 2. c = - 3 3. c = 6 4. c = 12

Negative one times the sum of twice a number and 3 is equal to two times the difference of - 4 times the number and 3. What is the number?

the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.

John and Mary have equal numbers of beads. John gives Mary 54 beads and then Mary has 7 times as many beads as John. How many beads do they have in all?