Find the equation of the line which is perpendicular to the line. (a) with equcation y=5x-4 and passes through (0,7)

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²