Age If you add Natalie's age and Fred's age, the result is 38. If you add Fred's age to 4 times Natalie's age, the result is 80. Write and solve a system of equations to find how old Fred and
Natalie are
Fred is
years old. Natalie is
years old.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: