Twice the difference of a number and 9 equals 7

Solve x^5 - 8x^4 + 22x^3 - 26x^2 + 21x - 18 - 0.

What is the answer to $7.80 divided by 65

Alton has been recording the number of apples on his apple tree each week, as shown below: week apples 2 15 3 22 4 29 5 36 the function representing alton's apples per week is f (w) = 7w + 1.

Department A occupies 10,000 square feet, Department B occupies 6,000 square feet, and Department C occupies 4,000 square feet.

a bag has 8 green marbles and 12 red marbles. if you draw on marble from the bag, what is the probability of drawing a green marble

Clarence is visiting his friends in Germany. Which currency will he use to pay for souvenirs?

Shannon is a nurse. Her regular rate is $28 per hour. She is paid double-time (two times the hourly rate) for holidays. During one week, she worked 40 regular hours plus 4 holiday hours. Find her total earnings for the week.

Macy is making a border out of strips of wall boarder placed end to end along the 12-foot wall in her room. Each strip is foot long. How many strips of wall border will Macy need?

What is the square route of 20?

How long did it take Carson to travel 10 miles at 35 miles per hour? (round to the nearest whole number.)