Three of the angles of a quadrilateral are 53°, 127° and 72°. What is the size of the 4th angle?

Last year pinwheel Industries introduced a new toy. It cost $9,800 to develop the toy and $40 to manufacture each toy. Give a linear equation in the form C=mn + b that gives the total cost, see, to produce n of these toys. What does c equal

How do yo solve the problem (2b-7) (8b+6)

Find the value of the expression 9 - j - k for j = 8 and k = 1.

Sandy cut three pieces of yarn to use for her art project one was 1ft 8in long one was 10 in long and one was 2 ft 6 in Long how much yarn did Sandy use

Round to the nearest cent 51/2 tax on $20 is

Brian bought 4 CDs that were each the same price. Including sales tax, he paid a total of $60.80. Of that total, $3.60 was tax. What was the price of each CD before tax?

Leo practices his violin 12.5 hours each week you are so practices singing for 3.5 hours each week if you buy this is the same amount of time each week how many hours does your practice in 10 weeks

3041-w=2875 what's the answer for w

On the first day of her 5-day trip, Miss Gordon drove 435 km in 5.3 hours. On the next three days, she drove 80.78 kilometers in 65 minutes. On the fifth day, she drove 880 meters. How many kilometers did she drive in all?

Martin multiplied 423 by 7 and found an incorrect answer of 2,841. What did Martin do wrong? What is the correct answer? Explain what Martin needs to do to find the correct answer.