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If x = -3, evaluate the expression 6x If x = -7, evaluate the expression -5x If x = 3, evaluate the expression 5x2 If x = 3, evaluate the expression -x + 10 If x =-3, evaluate the expression -x + 10 If x = 3, evaluate the expression -x + 7 If x = 4 and y = -6, evaluate the expression xy + x2 If r = 2 and t=-3, evaluate the expression -5r + 4t - 8 If a = 7 and b = 3, evaluate the expression -4a - b + 10 If r = -8 and t = 4, evaluate the expression r2 + 4t -5 If m = 7 and n = 2, which equations are correct? Select all that apply. -3m + 7n - 9 = -45 2m + n2 + 13 = 29 m2 + 4n - 5 = 52 -4m - n + 10 = -20 If m = -4 and n = 6, which equations are correct? Select all that apply. -3m + 7n - 9 = 45 2m + n2 + 13 = 41 m2 + 4n - 5 = 35 -4m - n + 10 = 20 If m = 10 and n = 5, which equations are correct? Select all that apply. -3m + 7n - 9 = -4 2m + n2 + 13 = 58 m2 + 4n - 5 = 110 -4m - n + 10 = -35 |