What is an expression in math?

A rhombus and a square have one and the same side of 6 cm. The area of the rhombus is 4/5 of the area of the square. Find the height of the rhombus.

Which of the following does not have a quotient of - 6? -36 : 6 36 : (-6) -36 : (-6) 36 : 6

O urna contine bile numerotate de la 1 la 27. Se extrage la intamplare o bila; se considera castigator Mihai, daca iese o bila numerotata cu un numar prim, respectiv Andrei daca iese o bila numerotata cu un patrat sau cub perfect.

If 44% of the students in a certain college are females and there are 2,640 female students, what is the total number of students

What are the like terms in the expression 8+x²-4x³+5x+2x²

A scientist is measuring the temperature change and a chemical compound the temperature dropped 11 Fahrenheit per hour from the original temperature after four hours the temperature was 90°F find the compounds original temperature

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab that is 17 ft by 17 ft by 2 ft if the concrete costs $40.00 per cubic yard?

A county government says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 ppm.

I have no idea about this! You need to simplify this:

2x+4y+2z = - 8 5y-2z = 0 4z = - 20