An equation was used to predict possible sales of phones for 6 months. the actual sales of phones are also listed. actual sales 55 150 325 510 780 990 predicted sales 40 150 300 500 800 1,000 the sum of the residuals is numerical answers expected!

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

If a is a nonzero real number then the reciprocal of a is

How can (square root of 25) ^2 be rewritten?