Cos feta = √2/2

Find two solutions.
Express the results in radians (0≤feta≤2π)​

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

What dimensions can créate more than one triangle ?

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars