After taking the metro to dupont circle in washington, dc, jess reached street level by walking up the escalator at a brisk rate, taking 39 steps during the trip to the top. suddenly curious about the length of the escalator, jess returned to the bottom and walked up the same escalator at a leisurely rate, taking steps one fourth as often as on the first trip, taking 12 steps in all. how many steps can be seen on the visible part of the escalator?

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

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.