How you can tell if a figure is a rectangle. does the color or size matter.

I am thinking of a number. when it is increasd by 7, it equals 21. what is my number a. n=28 b. n=14 c. n=7 d. n=147

Solve the following quadratic equation. A. x = 19 and x = 17 B. x = - 19 and x = - 17 C. x = - 19 and x = 17 D. x = 19 and x = - 17

Twice the difference of a number and 3 is at most 27

1. Simplify the following Expression a. 3y2 + 8y - 12 + 6x - 4y + 2y2

If a = - 3.4 and b = - 3.6, which of the following inequalities is not true? A a > b B |a| ≤ |b| C b ≤ a D |b| < a

a food manufacturer recently developed a new preservative to extend the shelf life of its perishable food items. It makes two batches of the perishable items. The preservative is added only to the second batch.

The diagonals of a rectangle are equal. always sometimes never

Write a decimal between 12 and 15 that has a 3 in the tenths place and a 6 in the hundredths place

What number is 5% of 46?

A empty graduated cylinder has a mass of 82.14 g. When 25.0 mL of an unknown liquid are poured into the cylinder and the liquid is 104.52. What is the density of the liquid?