A sack contains red and blue marbles. the ratio of red marbles to blue marbles is 4:3. if there are 16 red marbles in the sack, how many blue marbles are in the sack?

Rick paddled up the river, spent the night camping, and then paddled back. He spent 10 hours paddling, and the campground was 24 miles away. If Rick kayaked at a speed of 5mph, what was the speed of the current?

in the spring basket thre are 12 peeps out of total of 28 items. what percent of items are peeps? round to the nearest whole

Enrique and Levi together have 386 trading cards. Enrique has 221 trading cards. If Levi has C cards, write an equation you could solve to find the number of cards Levi has.

Determine (at least approximately) the interval in which the solution is defined. (enter your answer using interval notation.)

A 0.145 kg baseball pitched at 43.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. if the contact time between bat and ball is 2.

One leg of a right triangle is five feet more than the other leg. If, the Hypotenuse of the right triangle is 15 feet, what is the length of each feet?

Graph the equation y = 0.5x

What is the equation of the parabola with vertex (4, 4) and focus (7, 4) ?

What is the radius of a circle whose equation is (x - 7) 2 + (y - 10) 2 = 4? 2 units 4 units 8 units 16 units

You deposit $1240 in a savings account paying 4.2% interest. How much interest will you earn in six years