Match the following systems of equations with the number of solution for that system. x2+y2=16y=x2−4
x2+y2=16y=x2+5
x2+y2=16y=23x+1
x2+y2=16y=−x2−4
x2+y2=16y=3x2−6
1.
0 solutions

2.
1 solution

3.
2 solutions

4.
3 solutions

5.
4 solutions

Please answer fast I have 30 min left :(((

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.