Is the sum of 3+ The Square root of 7 a rational number?

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons