Acar and a truck are moving at the same speed. the car drives 2 hours. the truck drives 2.5 hours and goes 20 miles farther than a car. what is the speed at which the car and the truck are traveling

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]

Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)