Does the construction demonstrate how to bisect a segment correctly by hand?

yes; the compass was kept at the same width to create the arcs for points c and d.
yes; a straightedge was used to create segment cd.
no; the compass was not kept at the same width to create the arcs for points c and d.
no; a straightedge was used to create segment cd.

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Ineed in figuring out this problem.