A. Ella sells flair pens for $2.50 each. How many flair pens, p, does she need to sell to make at least $18 B. Austin has $18. Pencils cost 15 cents each. He buys one pencil. How much money does he have left, p.?
C. Janessa has $18 to spend on lunch. She spent $2.50 on a slice of pizza. How money can she spend on her drink, p?
D. Caleb has $18. Popcorn is $2.50 each. How many bags of popcorn, p, can he buy?

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?