How many yards of fabric do indeed for 4 placemats 13x18 .

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75