John used 3/4 yard of black ribbon and 1/2 yard yellow. ribbon to make a frame for a picture. what is the total length of ribbon he used?

Michael and imani go out to eat for lunch if their food and beverages cost 25.30 and there is an 8% meals tax how much is the bill

The equation for two lines in the coordinate plane are 2dx+y=4 and -6x+y=3, where d represents an unknown value. what value(s) of d would make these lines parallel?

Aparachutist descends 38 in 2 seconds . express the rate of the parachutists change in height as a unit rate