A scuba diver dove (-50) feet deep into the water. After every 2 minutes he rose (+2) feet toward the water surface. How deep in the water was he after 12 minutes.
(C) -38 feet
Which of the following is equal to -45 – (-105)
(B) 105 – 45
If the sum of three times of y is equal to 9, then what is the value of y?
(C) 3
Find the missing number
(B) 20
Find the missing number
(C) 256