If 23 people shake each others hands once how many hands are shook in all

There's this problem that says 45.67 times 32.58 For my answer I got 1487.8886 But when I used the calculator to check my work it said 1487.9286. I tried to redo it to see if I get 1487.9286 but I still got 1487.8886 What mistake did I make?

What forumla could you write for a quadrilateral with four different side lengths

Which distribution has the greatest spread? Mean Standard Deviation Distribution 1 22 0.2 Distribution 2 21 0.8 Distribution 3 19 1.2 Distribution 4 20 3.2

What kind of solution (s) does ax^2-bx+c=0 have if b^2-4ac<0? a. two real solutions b. one real solution c. one complex solution d. two complex solutions

Find the surface area of this triangular prism."A 3-dimensional triangle wedge has front and rear sides labeled 25 inches, the bottom width is labeled 14 inches, and the length of the wedge is labeled 32 inches.

1) What is the difference? Complete the equation. 4 1/3 - (-2/3) =

What does 4x+5x-30=180 equal

Factor completely, then place the answer in the proper location on the grid. 16x^4 - 64y^8

Mr. Garcia has driven 60 miles, which is 2/3 of the way to his sister's house. How much farther does he have to drive to get to his sister's house?

Bob guessed there was 560 in they jar but there was actually 620. What percent was Bob's guess incorrect