7x^2 + 2 * when x = 3?

How many Tables are needed to make a long table that will seat 22 people

The ratio of the length of the corresponding side of two regular polygons is 3:4. The area of the larger polygon is 320m. what is the are of the smaller polygon

Edward evaluates the expression 7.2 * 4.9 and gets an answer of 35.28. Is this a reasonable answer? Explain why.

How can I find the x-intercept of this equation y=2x+3

Find the area of the figure when two sides equal 5 m and two sides equal 4 m

Two sides of a triangle have the same length. The third side measures 3 m less than twice the common length. The perimeter of the triangle is 13 m. What are the lengths of the three sides?

tommy equally shared a box of gummy bears with three of his friends. the box weighed 7/6 pounds. how many pounds of gummy bears did each person receive

Yolanda wants to complete the 50-mile biathlon in 5 hours. she gets her jogging rate up 6 miles/hour and her biking rate up to 12 miles/hour. she finishes the race in 5 hours.

2x - y = 6 5x + 10y = - 10

Describe three different ways animals get food