Ethan ordered 4 sub sandwiches for a party. Each 1/2 sandwich is one serving. does he have enough to serve 7 friends? How much is leftover or how much more is needed? Explain. (i need help with this question on my math. I think the teacher wants to use reciprocals?) plz help. it is 6th grade (reciprocal) math.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

For the inequality |c| < |d| to be true, which of the following must be true?

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet