Will name u !
a computer company invested a total of $356 million in research and development in its
scanners and video digitizers. if the amount the company spent on research and development on scanners was $80 million more than was spent on research and development on its video digitizers, how much in fact did the company spend on research and development on its scanners?

a. $218 million
b. $356 million
c. $178 million
d. $138 million

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36

Which is the completely factored from of xy^3-x^3y