When can a quadrilateral also be called a parallelogram

4. y=0.5x 6. y = - 5x + 2

How would you solve this problem 2/6*3 = would you divide or multiply

Which statement describes a parallelogram that must be a square? A parallelogram with opposite sides that are congruent and diagonals that bisect the angles. A parallelogram with a right angle and diagonals that bisect the angles.

1/3x+2=3/4 how would I go about solving this?

A Plane set off to go to England at a speed of 266 mph. On the return flight the plane of 15 hours, the plane cruised at 225 mph. How many hours was the flight to England and how many hours in total was the round trip?

A man buys an article for $27.50 and sell it for $28.60 find the gain percentage

TOm has taken out a college loan first month payment was $200 each month he wants to pay back 1.2 times amount paid previous month. Explain how to represent first 30 payments in sigma notation

A Luxury of Furniture at a store sells couches for $4,000, Reclining Chairs for $2,040 and loveseats for $2,800. This Luxury line went on sale where the Price of each piece of Furniture was Divided by 4.

Consider the following linear programming problem: Max Z = $15x + $20y Subject to: 8x + 5y ≤ 40 0.4x + y ≥ 4 x, y ≥ 0 Determine the values for x and y that will maximize revenue.

7x-8y=11 8x-7y=7 solve using substitution