Last year the depth of the river was 4.2 feet deep. This year it dropped 7%. Find the depth of the river this year to cross it.

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent