There are 15 blue jays and 14 orioles that wish to rest on the branches of three older trees. each of the trees will have at least 4 blue jays and 2 orioles. however, no tree may have more orioles than blue jays in its branches. determine the largest number of birds that can be in one tree

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

How are algebraic expressions evaluated using substitution?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)