Maclaurin series. please help! it seems easy but I'm confused. Which of the following values does the series the summation from k equals 0 to infinity of 1 over the product of 2 to the k power and k factorial represent?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Which rational number could be graphed between -4 and -5

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4