Multiply - 2x^ (-3) y (5yx^ (5) + 8xy-4y^ (2) x (2)).

When two variables have a negative correlation, a. when the x-variable decreases, the y-variable decreases. b. when the x-variable decreases, the y-variable increases. c. when the x-variable increases, the y-variable increases. d.

What Difference between hundreds and hundredths?

Solve Ixl >-9 No solution All reals (X|X9)

Translate the equation into a verbal sentence. 2a = 7a - b Twice a number is as much as 7 times the number less than another number. Twice a number is as much as the difference of 7 times the number and another number.

Which expression is equivalent to (8a-3b+7) - (2a+b-4) ?

I thought of a number, divided it by 1 1/2, then added 2 1/2 to the result, then multiplied the sum by 1 2/3. then i subtracted 1 2/3 and got the result 2 5/6. what was my number?

Find the lowest common denominator of and

Last week Bill made a purchase of $56.78 before tax. This week, the same items on sale would have cost him $41.90 before tax. If the tax is 4%, how much could Bill have saved by buying the items on sale (including tax) ?

A student is attempting to simplify the express below. Sample mathematical work is shows. which statement best applies to the sample mathematical work?

Which system of equations has infinitely many solutions?