Lyle is replacing light bulbs in his apartment he is using energy-saving bulbs and regular bulbs, and wants to use 21 or fewer bulbs altogether. he wants no more than 18 energy-saving builbs and at least 2 regular builbs. the energy-saving bulbs cost $5.95 each, and the regular bulbs cost $7.85 each. what is the most lyle can spend on replacement buibs? how many of each will be use?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

5x−4≥12 or 12x+5≤−4 can you with this problem

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.