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4 Paula is adjusting the level of chlorine in the pool at the local community center. The
concentration of chlorine is currently 6.3 parts per million. She read in a magazine that
the ideal chlorine level is about 1.5 parts per million. How many times the ideal chlorine
level is the current chlorine level?
I
A 4.2 times
Б. 4.8 times
с 7.8 times
D. 9.5 times

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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.

Which is the focus of a parabola with equation y2=4x