Find the number of real number solutions for the equation.

x²-15=0

a) 2

b) 1

c) 0

d) can not be determined from the graph

an apple orchard sells apples in bags of 10. the orchard sold a total of 2430 apples one days. How many bags of apples was this?

4. An acre is equal to 43,560 square feet, and there are 5280 feet in a mile. If a farm has the shape of a rectangle measuring 0.8 mile by 1.1 miles, what is the area of the farm in acres?

Jude is making cement for a driveway. The instructions show the amount of each ingredient to make 1 batch of cement

Kenya has 2 hours to make a 104 mile road trip. What rate must she average to make the trip in 2 hours?

How do you calculate the area of a triangle using trigonometry?

Round 630 to the nearest ten

ellen sells mugs that are in boxes in the shape of a cube. The edges of the boxes have a lenght of 1/2 foot. Ellen can completely fill a container in the shape of a rectangular prism with 378 boxes. What is the volume of her container?

1. 7/8 - 1/2 2. A security camera rotates 30° every 10 seconds. how long does it take the camera to rotate 360°?

What is the answer to 6 * 4/5

What is the distance, to the nearest hundredth, from (6, 5) to (-3, - 8) ?