How much terms are in the expression shown blow a²-ab+8b+b²-1

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41