2 centimeters on the map represents 100 kilometers

What is 2y-8<-18 cause I really don't get it.

Each marble bag sold by hans marble company contains 7 yellow marbles for every 5 blue marbles. if a bag has 35 blue marbles, how many yellow marbles does it contain?

Bryan owes Jennifer $15 he has $20 in his wallet use absolute value to decide if Bryan has enough money to pay Jennifer

Amelia needs 3 2/3 cups of sugar to make cupcakes. Which improper fraction names this amount? A 5/3 cups b 8/3cups c11/3 cups. D18/3cups

At Snack Palace, the Bishop family pays $12 for a salad, fruit bowl, and two sandwiches. The Cortez family pays $14 for two salads and two sandwiches. The Donovan family pays $14 for a salad and three fruit bowls.

Determine the integer whose product with - 1 is 63

What is the standard deviation of the data set? 21 6 18 21 20 14 19 5.4 29.3 5.0 25.1

You randomly draw a marble from a bag of marbles that contains 3 blue marbles, 4 green marbles, and 5 red marbles. What is P (draw a blue marble)

Divisibility rule for 4.

7 less than a number A 7-x B 7x C 7 divided x D x-7