Danielle, her husband and son go out to dinner. the subtotal (before tax) is $53.40. if sales tak is 6.5% and they want to leave a 20% tip, how much money will they end up paying their waitress?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form