What is the square root of - 1?

-i

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-1

1

Jennifer has $12 to spend on lunch and the roller rink. Admission to the roller rink is $5.75. Jennifer estimates that she can buy a large drink and a turkey sandwich and still have enough money to get into the rink.

If A = - 3n + 2, and B = 5n - 7, what is the value of A + B, in simplest form? 2 n - 5 -8 n - 5 -3 n 2 n + 9

Which functions exponential decay

on the first down, the chargers had the ball on their 25 yard line. on the next three Downs they lost six yards gained 10 yards and lost 8 yards what was the yard line at the end of the 4th Down

Two balls are pulled one after another, without replacement, from the box containing three black, five yellow, and seven red balls. What is the probability that the 1st ball is yellow, if the 2nd ball is black

A flat-bottom reflecting pool has length 30 yards, width 10 yards, and depth 0.3 yard. Find th e surface area of the pool and the volume of water it holds

How many tens are in 6000 hundreds?

The weather reporter said it had rained 3/10" on Monday, twice as much on Tuesday than Monday, 1/4" on Wednesday, 1/2" on Thursday and 2/5" on Friday.

A drama class has a total of 48 students. The number of females is 4 less than the number of males. how many males and how many females are in the class

You are shopping for sweaters. Old navy sells 3 pairs of Jean's for $24. Wet seal sells 2 pairs of jeans for $16. Marshall's sells 4 pairs of jeans for $39. Which store has the best deal?