Genevieve wants to verify that 1/5 * (5x - 20) - 1/2 * (4x - 8) equivalent to -x which procedure can Genevieve to determine if the two expressions are equivalent?

Do u just plot the numbers on the graph like (1,

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.