PLS HELP! I WILL TEACH YOU HOW TO SOLVE YOU JUST HAVE TO SOLVE Find the angle feta between the vectors.
HOW TO:
find the angle - cos(feta)=U*V/magnitudeU*magV
find mag - sqrt U squared plus V squared
13. u=(-4,-30), v=(-1,5)
14. u=(2,-2), v=(-3,-3)
15. u=(2,3), v=(-3,5)
16. u=(5,2), v=(-6,-1)
17. u=3i-3j, v= -2i+2sqrt3j
21. u=(-3,4), v=(8,5)
22.u=(-3,8), v=(-1.-9)

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.