A tree casts a shadow 20 feet long at the same time the shadow cast by a vertical 7-foot post is 12 ft long find the height of the tree

24 runners were faster than Colby in a race. If 30% of the runners were faster than Colby, what was the total number of runners in the race?

The probability that an event will happen is P (E) = 30/37. Find the probability that an event will not happen

What is a healthy breakfast choice when you are rushed for time in the morning? A. bagel and a yogurt drink B. celery sticks with peanut butter and apple juice C. cereal with yogurt or milk and orange juice D. All of these answers are correct.

Are the ratios 3:7 and 1:2 equivalent

the ratio of boys to girls at the beach cleanup was 7:8. If there were 43 boys, how many girls were there?

Orchid wants to retile her bathroom floor, which has an area of 40 square feet. She is deciding between two types of custom tiles. The square tile is 1/2 foot by 1/2 foot and costs $0.45 per tile.

Evaluate the expression x2 + 8x - 4 if x = 3.

If Pedro sends 360 messages on average each month, which plan would you recommend that he choose? Support your recommendation using mathematical evidence.

Mr. Toshiro manages a company that supplies a variety of domestic and imported nuts to supermarkets. He received an order for 120 bags of cashews, 310 bags of walnuts, and 60 bags of Brazil nuts.

Which statement is not true? A The center of a regular polygon is the center of its circumscribed circle. B The radius of a regular polygon is the radius of its circumscribed circle.