Add: 645,7894 and 859

How are x and y related in the equation 7 (x-y) = 0? x=y x = - y x=1/y y=1/x

What the least to greatest order 1) 2)

Factor using given common factor. Assume all variables represent real positive numbers. (Y^-5) - (3y^-3); y^-5

Log2 (3x-1) = log2 (x+8)

In the rhombus m 1=18x m 2=x+y and m 3=30z. Find the value of x+y+z

During a football game, the team lost 6 yards and then another 3 yards. How many yards behind the line of scrimmage are they?

If 3 of the Roberts 4 dogs are black, what percent are NOT black

How long does $1250 have to be deposited at a simple interest rate of 2 1/2% before the balance is tripled?

4. An app developer projects that he will earn $20.00 for every 8 apps downloaded. Write an equation to represent the proportional relationship between the number of apps and the total earnings.

Where would the brackets go to make these numbers possible i) 3 x 4 + 8 : 2 = 10 ii) 6 2 : 12 - 3 + 4 x 12 = 48 (6 2 is actually an exponent 2 is the power)