Which of the following is a complex number?

a. -7
b. 2 + square root of 3
c. 4 + 9i
d. pi

Two lines parallel to the same plane are parallel to eachother

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.