2 to the power of x plus 2 to the power of negative x equals 5/2

Yesterday, the snow was 2 feet deep in front of Archie's house. Today, the snow depth dropped to 1.6 feet because the day is so warm. What is the percent change in the depth of the snow?

What is the value of y when - 5 = = y - 7? 9 a. - 7 b.-11 C. - 38 d. - 52

Y=x+4 y=0 solve each system of equations by graphing

Rob is cooking a cake. The recipe calls for 9 cups of flour. He has already put in 3 cups. How many more cups does he need to put in?

I have 11 hundreds 4 tens 8 ones 6 tenths and 1 hundredths, what number am I

Rewrite g (x) = x2 - 5x + 3 in vertex form.

Approximately one out of ever 250 people in the United States is currently serving in the military. If the United States population was 327,200,000 people, about how many people are currently serving in the U. S.

How do you write. 625 as a fraction

What is 780000 hours in days?

How many solutions are there to the equation 9x-16=9x-23