A report states that 40% of homeowners had a vegetable garden. Approximately how large a sample is needed to estimate the true proportion of homeowners who have vegetable gardens to within 3% with 99% confidence?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.