In the expression 7m/9+6r-4/5 , what are the coefficients ? a) -4/5 and 6 b) 7/9 and -6 c) 7/9 and -4/5 d) 7/9 and 6

Coefficients are:

d) 7/9 and 6

Step-by-step explanation:

We are given a expression:

We have to find the coefficients

Coefficient is a term which is multiplied to a variable or its power

Above expression has two variables m and r

The coefficient of m=7/9

and coefficient of r=6

Hence, coefficients are:

d) 7/9 and 6

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

37

step-by-step explanation: