Please help I’ll give points

Factor the polynomial. b^2 + 4b + 4

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?

Which method of gathering data will be most effective in learning how diet and fitness choices affect long-term healt