What is the solution to this system of equations? 3.2x+0.5y=4.2 -1.6x-0.5=3.4 ? a. (4.75, 38.8) b. (4.75, -22) c. no solution d. infinitely many solutions

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers