Combine the like terms to create an equivalent expression:
\large{-2k-(-5)+1}−2k−(−5)+1

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day