Brent counted 10 red cards, 10 black cards, and 20 blue cards in a deck of cards. what is the ratio of red cards to other cards? a. 1: 1 b. 1: 2 c. 2: 1 d. 1: 3

30 is 6 multiplied by a number y as a equation

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?