At a clothing store, 3 T-shirts and 8 hats cost $ 65. The cost of 2 shirts and 2 hats is $ 30. How much does each shirt and hat cost?​

Which rational number could be graphed between -4 and -5

What is the definition of exponential decay?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21