Evaluate 2b² - 3b + 4a² for a = - 6 and b=8

The perimeter of my yard equal 120 feet if the width equal 25 what is the lenght

22/25 of a Number is what percent of that number

What number is 250 percent of 60

The dot plot shows predictions for the winning time in the 200-meter sprint. The winner finished the race in 22.5 seconds. What is the greatest percent error among the predictions?

Based on the figure above, what is the equivalent value of cos 210°?

Simplify v7 times v7

On average, Jenny does five loads of washing per week. She buys a box of Kapow! laundry powder, 1.2kg and 60 grams per load. How many weeks should the box of powder last for Jenny?

There are 4 chocolate chip cookies and 12 oatmeal cookies in a jar. If you reach in and randomly choose 2 cookies without replacing the first, what is the probability that both will be chocolate chip? 1/9 3/64 1/11 1/20

1. x2+3x+2x2-2x-3⋅x-3x+1 2. x2-8x-9x2-2x-63⋅x2+13x+42x2-2x-3 3.5 (x+5) x2+2x-15⋅6 (x-3) x2+5x+4

Jessica is printing invitations to a graduation party. She needs to print 250 invitations one per sheet of paper. She was only able to purchase 5 packages of 25 sheets of paper at the store.