Mark deposited $450, $312, $125, and $432 in his bank account this month. He also made deductions of $205 and $123. If his balance at the
beginning of the month was $1233, what was his balance at the end of the
month?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 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 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

What makes a trapezoid an isosceles trapezoid?