Which is right for perimeter 5cm^2 or 5cm

Can anyone solve this? 5x^2-3+3=0 also is it a quadratic equation?

Write the sentence as an inequality. Then solve the inequality. Three times a number minus - 8 is less than or equal to - 7.

A team in science class placed a Chalk mark on the side of a wheel and rolled the wheel in a straight line until the Chalk mark returned to the same position. the team then measure the distance the wheel rolled and found it to be 35 cm m.

Estimate. then find the product 1,374*6

The perimeter of a recatangle is 24 cm. its length is 9 cm. Fing the width

Probability: There are 11 shirts in your closet, 6 blue and 5 green. You randomly select one to wear on Monday and then a different one on Tuesday. You wear blue shirts both days.

If a is a nonnegative real number, then which inequality statement best describes a?

Which equation has the steepest graph? A. Y = 7x + 3 B. Y = 8x - 1 C. Y = - 10x - 4 D. Y = - 2x + 6

in 1996 there were approximately 275 students in the Delaware high school band in 2002 that number increased to 305 find the annual rate of change in the number of students in the band?

What is the value of 4 to the power of - 3