How to simplify - 9+-1/3y+6-4/3y

What is 691/1000 in simplest form?

Simplify 5w+8 (-4-6w)

Express 2.6kg as a percentage of 6.5 kg

Adrian makes a large pan of brownies. He cuts them into 5 even columns and 4 even rows. How many brownies does he have?

Y=2/3x-1 * =-6,-3,0,3

The radius of a cylinder is increased from 9 to 9.03 inches. if the height remains constrant at 12 inches. Estimate the change in volume

Sun Valley and San Jose are 105 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 15 km?

Y^2-18y+81 quadratic equation/formula

if three pipes are all opened, they can fill an empty swimming pool in 3 hours. THe largest pipe alone takes one third the time that the smallest pipe takes and half the time the other pipe takes.

Greg drove at a constant speed in a rainstorm for 240 miles. He took a break, and the rain stopped He then drove 192 miles at a speed that was 8 miles per hour faster than his previous speed.