What is the decimal equivalent of 7 4/5? A. 7.125
B. 7.4
C. 7.45
D. 7.8

Correct please.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

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]