Which expression is a way to represent the ratio of a to b?

A. b : a

B. b to a

C. a/b

D. b/a

Bryan bought 10 daisies and 5 sunflowers. Each daisy cost $2 and each sunflower cost $5. Bryan had $12 left after he made his purchase. How much money did Bryan spend on the flowers? Which info isnt needed to answer this question?

9 hundreds + 4 ten thousands + 8 ones + 7 tens

A student earns a 98 on a test for answering one question incorrectly and earns a 90 for answering five questions incorrectly. Is the slope of the line that models the linear relationship a positive negative zero or undefined slope?

Explain how you know which coins should be used to show 0.77 of a dollar

What is the value of this expression? (-8) 3 Enter your answer in the box.

At sunset, the temperature was 4 degrees. Then at sunrise the next morning, it was - 7 degrees. What is the difference between these temperatures?

How many possible sandwiches: 4 types of bread & 6 types of cold cuts?

What is the probability of choosing an ace or a black card? 6/13 7/13 8/13

Whats 21/8 as a mixed number

You bought a freezer that is 2 feet wide, 4 feet long and 30 inches deep