An engineer builds a swimming pool in her backyard that measures 7 feet x 14 feet by 4 feet deep. A mischievous child accidentally spills enough salt into the pool such that the pool water density exceeds that of freshwater by 20%. To remedy the situation, the engineer cuts two equally sized holes in the pool. Through one hole, fresh water is injected at 10 GPM, while pool water is drained through the other hole at at rate that maintains the water level in the pool at a constant depth. How long will it take for the density of water in the pool to exceed that of freshwater by only 5%

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

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.

What rotation was applied to triangle def to create d’e’f’?