time she turns the switch on...? machine, the bell rings 3 times. During one hour, Shannon caused the bell on the machine to ring 23 times. How many times did she push the button?
2. How many positive three-digit integers are there such that each digit is an odd number less than 6?
(a) 3
(b) 6
(c) 9
(d) 18
(e) 27
3. x^2 + 16x +a = (x+b)^2
In the equation above, a and b are constants. If the equation is true for all values of x, what is the value of a?
(a) 4
(b) 8
(c) 16
(d) 64
(e) 256
PLEASE EXPLAIN YOUR ANSWERS =]
2. How many positive three-digit integers are there such that each digit is an odd number less than 6?
(a) 3
(b) 6
(c) 9
(d) 18
(e) 27
3. x^2 + 16x +a = (x+b)^2
In the equation above, a and b are constants. If the equation is true for all values of x, what is the value of a?
(a) 4
(b) 8
(c) 16
(d) 64
(e) 256
PLEASE EXPLAIN YOUR ANSWERS =]