Marcus jogged 3 1/8 kilometers in the morning and 2 1/2 kilometers in the afternoon. how many kilometers did he jog that day? what are the given facts? what is asked in the problem? what is the operation to be used? what is the number sentence? what is the answer to the problem?

Which number line correctly shows 0.8 + 0.3?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]