Ayesha's age is 1/2 of her sister's age. If her sister is 20 years old. How old Ayesha

Find the solution of system of equation y= x-4 y=4x+2

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.

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2