Which expression are equivalent to - 3 - (7.5+4)

The first day of class the professor collects information on each student to make a data set that will be analyzed throughout the semester. The information asked includes hometown, GPA, number of classes, number of siblings, and favorite subject.

The price of one share of ABC company decline a total of four 575 in 5 days what was the average change in the price of one share per day

32.76 divided by 44.34

Age of a is twice of b if sum of both ages is 18 what is the age of b

The cost of a coffee maker is $76.70 the markup is 20% of the cost. What is the selling price of the coffee maker?

A bag contains 3 green marbles, 6 blue marble, 5 red marbles, 4 black marbles and 2 yellow marbles. A marble is selected from the bad and replaced 100 times what's the reasonable prediction for the number of times green or black marble will be

The lengths of the legs of a right angle triangle 12 cm and 35 cm. What is the length of the hypotenuse?

What percent increase is it to go from $1.25 to $1.50?

Their is nine kids on a bus and 10 got off

The perimeter of a square with 2/3g cm sides without polynomial