Lucy earned $400 and $550 in interest the last 2 years. describe the average interest she should earn in each of the next 3 years so that her total earnings over the 5-year period are at least $2300. a) she must average $450 per year. b) she must average $900 per year. c) she must average $1350 per year. d) she must average $1800 per year.

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Add the fractions and simplify 1/2+ 1/3

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1