Which expressions are equivalent to −2.1 (−5.9) (−3.7)−2.1 (−5.9) (−3.7) ? select each correct answer. a. −(2.1 5.9) (−3.7)−(2.1 5.9) (−3.7) b. −2.1−(5.9 3.7)−2.1−(5.9 3.7) c. −(2.1−5.9) (−3.7)−(2.1−5.9) (−3.7) d. −(2.1 5.9 3.7)

3x3 = 9 and 2x2 = 4

step-by-step explanation:

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

addition

step-by-step explanation:

a) 0,0; 1,1; and 2,2

step-by-step explanation:

these have the exact same coordinates, thus they are the correct function.