Emma received grades of 68, 74, and 86 on 3 tests. What is the lowest grade she could get on a 4th test if she needs her average to be 80 or higher?

What is the smaller root of the equation: 4x^2 + 22x + 10 = 0

lin measured the diameter of a circle in two different directions. Measuring vertically, she got 3.5 cm, and measuring horizontally, she got 3.6 cm. Explain sone possible reasons why these measurements differ.

Side a of a triangle is twice side b. side c is 2 meters shorter than side a. the perimeter is 98 meters. find the length of each side

This morning, a convenience store had 21 granola bars in stock. The store sold 6 granola bars throughout the day. If the store will receive a shipment of 42 granola bars tomorrow, how many granola bars will it have in stock?

Flying object hazard are specially dangerous when using power-actuated tools because

The sum of two numbers is 44 and the difference is 16 . What are the numbers? Large Number: Small Number:

Which statement is correct? All integers are real numbers. All decimals are natural numbers. All rational numbers are whole numbers. All square roots are irrational numbers.

14 pounds 12 ounces = 32.45 kilograms True or False

Multiply (x + 5) (x - 6).

A bracelet is made of 14 red beads and 19 gold beads. A necklace is made of 84 red bead and 133 gold beads. Do the two pieces of jewelry have the same ratio of red beads to gold beads?