Anna is making a curtain to surround a table. She bought 3 1/4 yard of fabric. Her total cost $13. What was the cost per yard?

If a man traveled in a direct path from Georgia to California, which ecosystem would he not pass through?

Before a new variety of frozen muffins is put on the market, it is subjected to extensive taste testing. People are asked to taste the new muffin and a competing brand and to say which they prefer. Is this an observational study or an experiment?

A list of prime numbers between 80 and 90

Which is greater 4.027 or 4.0092

Ivan makes 340 per week. how much would he make per week if he got a 5% raise

A shopper buys a 12 - pound bag of oranges for $18.75. What is the unit price?

Harry kept a record of how far he ran each day last week Distance (in miles) Monday 4.5 Tuesday 3.9 Wednesday 4.25 Thursday 3.75 Friday 4.2 On which day did Harry run the greatest number of miles?

Matthew collects purple and red marbles. he has 320 marbles and 65% of them are purple. How many red marbles does he have?

Multiply the complex numbers. (5+1i) (-3+2i)

Joe owns and apple orchard with 20 apple trees. Each year he will plant 7 more. Write and explicit formula for the number of apple trees in the orchard.