Kate is solving brain teasers she solved 6brain teasers in72 minutes how long did she spend on each brain teaser

All natural (counting) numbers are a subset of integers true or false

A certain company consists of 3 numbers followed by 3 letters. The numbers 0 and 2 are not allowed. The letters o and z are also not permitted. How many passwords are possible?

Two angles are complementary is the sum of their measures is 90 degrees. The measure of the first angle is 42 degrees more than 2 times the second angle. Find the measure of the first angle.

Sven is thinking of two numbers. thesum is 12 the difference is 4 what are the two numbers

B (1) = 16 b (n) = b (n-1) + 1 find the second term

Suppose James has a credit card with a balance of $4289. Each month, the credit card company charges 5% interest. James pays off all new purchases that he makes each month without paying off the old balance or its interest.

Two bicyclists are 200 miles apart when they start racing towards each other. if their speeds are 12 mph and 6mph, in how long will they be twenty miles apart?

A+b+c=75 find out a, b and c

The width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length and width of the rectangle?

Find the probability of each compound event