Why is everybody going crazy nowadays?

Ken flips 2 fair coins. What is the probability of obtaining the same result on each coin?

Leila drove 275 miles in 5 hours. At the same rate, how many miles would she drive in 7 hours? miles

Express the area of each figure as a monomial. Solve 7x^4 if the formula is s^2.

Estimate 7,049 +1,859

In a diagram of a landscape plan, the scale is 1 cm = 10 ft. in the diagram, the trees are 4.3 cm apart. How far apart should the actual trees be planted? 43 ft 430 ft 1.3 ft 0.43 ft

For a field trip 29 students rode in cars and the rest filled 6 buses. How many students were in each bus if 323 students were on the trip.

Sandra read 5 books, Deacon read 6 books, and Breanna read 7 books. One book was read By all 3 children, but every other book was different. How many different books did the children read?

A circle has a diameter of 17 inches. What is the circumference?

How long does it take a snail to crawl 1440 inches if it crawls 60 inches per minute?

Simplify the following expression. (4+2i) divided by (1+i)