Why does math get so hard that you have an answer but you forget what your answer was because it was so so so so so so so so so so so so so so hard. Why is it hard?

A linear pair of angles are adjacent and complementary

Solve 40 is 20% of what number

Tameka has 12 granola bars for the bake sale. She puts 4 granola bars on each plate. How many plates does she fill?

Find all real solutions to (x-7) ^2=4

Is 6 - 2 positive or negative

How can you distinguish between linear and exponential functions? How do linear and exponential functions compare as the domain increases?

Solve the problem. Sergio's internet provider charges its customers $7 per month plus 3¢ per minute of on-line usage. Sergio received a bill from the provider covering a period and was charged a total of $28.70.

After deductions of $45 were withheld this week from Ed's weekly earnings on his part-time job, his take-home pay was $240. Ed had worked 30 hours this week. How much did Ed earn per hour?

omposite figure is divided into two congruent trapezoids, each with a height of 4 cm. 2 trapezoids. Both trapezoids have base lengths of 10 centimeters and 6 centimeters, and a height of 4 centimeters.

During a day a student spends 7 hours sleeping, ¹/4 of the day studying and of the time travelling. What fraction of the day is left for other things?