Which of the following number sentences is an example of the commutative property? Select all that apply. A. 14.7 + 2.8 = 2.8 + 14.7
B. 1.9 × 1 = 1 × 1.9
C. 4.5 × 5.5 = 12.375 × 2
D. 2.5 × (3.4 × 1.4) = (2.5 × 3.4) × 1.4

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

What type of symmetry does a rhombus have?