Let R be the relation on N x N defined by (a, b) R (c, d) if and only if ad bc. Show that R Equivalence Relations. is an equivalence relation on N x N.

The warrior baseball team is selling hats as a fund raiser they contacted two companies. hats off charges a $50 design fee and $5 per hat. top stuff charges a $25 design fee and $6 per hat. write an equation for each companys pricing.

You are asked to draw a triangle with side lengths of 10 in 7 in and 2 in how many triangles like this can you draw

Expanded form of 3801440

Slove using linear combation 11x+4y=18 3x+4y=2

Rob says 5/7 of this shape is shaded is he correct explain why

A chili recipe makes enough for 4 servings. The recipe calls for 5 tomatoes. You plan on making enough chili for 10 servings. How many tomatoes will you use? A. 8.5 B. 12.5 C. 15 D. 10

What is the solution to the system of equations The equations 9x-10y=6, 8x-10y=-23, 9x+10y=-16, and 8x+10y=13

The ratio of the measures of the angles of a triangle is 4:6:8. Find the measure of the largest angle. Largest angle?

Pat and Julie share some money in the ratio 2 : 5 Julie gets £45 more than Pat. How much money did Pat get?

Two thirds of a number reduced by 11 is equal to 4 more than the number. Find the number