A^2-8ab+16b^2=81, find a-4b

Dose anyone know any websites for big ideas answers?

Lori works 168 hours each month and earns $10.85 per hour after taxes. Her monthly budget is shown. How much money is left over in her budget for unplanned expenses?

if i had 900 susbcribers and i lost 10 the next day and the day after hwo mnay susbcriebrs wouls i have

Select the correct answer. You're given a side length of 7 centimeters. How many equilateral triangles can you construct using this information? O AO B. 1 C. 2 D. 3

How do you work out the prince of a gallon of gas dropped from the summer high price of $3.50 to the winter low price of $2.87. By what percentage was the price of gas reduced? How do you get 4.50 %?

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c

If a figure has 5 sides 5 vertices and no equal sides what is it? it is a polygon BTW

If I rent a boat for $25 per hour and a charge additionally $12 for fuel is the number of hours I rent the boat proportional to the total cost

90,88,88,87,84,95,90,80,98, and 100 (A) find the mean of these numbers (B) find the median of these numbers