Tom blows air into a balloon to inflate it. What can be known about the atoms of the air? They are close together. They are moving constantly at high speeds. They vibrate in place. They are held together by strong attractions.

Need on this geometry question. explain how you did it.

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.