Jack gives half of his baseball card collection to Bobby. He then loses 5 of his remaining cards. He now has 13 baseball cards. How many cards did he start with?

In 2010, the population of Alaska was about 710,200. What is the number written in word form?

3/8, - 2, 34%, - 4/9 from least to greatest

Ralph is sixteen years older than his cousin Ivan. In four years Ralph will be twice as old as Ivan. How old is Ralph now?

Solve log2 (t+1) - log2 (t-1)

Aurora has a cell phone plan that charges $65 for phone service plus $12 for each gigabyte of data used each month. If her bill for September is $113, how many gigabytes of data did she use in September?

Add h and 2, then multiply g by the result

A colony of ants has 50,000 members. Sam thinks the colony will grow at a rate of 4.5% each hour. About how many ants should he expect there to be in the colony after 10 hours

If jill had 6 different sweaters and 4 different pairs of pants how many different combinations can she wear?

2[s+3 (s-31) ]=18 how would i solve this

Paula ran 24 ft with the football and then passed it 15 feet to newt. newt ran 70 yards for a touchdown. what was the total number of feet the ball traveled?