Is it true or false that all squares are parallelohrams, so all parallelograms are squares? And what would be the explanation of that. (P. S. I kinda need this soon bcuz this is due tomorrow.

Given matrix y = [4 8 - 3 - 6] and matrix z=[-1 - 2 7 2]. What is matrix x if 1/2 (x+z) = y?

Anybody know how I can change my age and user name on my account? 10 pts

If one factor of 21xy^3-15x^2y^2 is 3xy^2, what is the other factor

Encuentra el complemento de A) 63°08' C) 30°25'. E) 47° B) 15. D) 20°

One sixth times three-fourths

Convert 5/8 to percent notation

What is the percentage of 1/3?

Fill in the blanks in the list. sides, shape, angles, Similar Triangles Have the same 1.__, but not necessarily the same size. Corresponding 2.__ are congruent. Corresponding 3.__ are proportional.

Solve for x. 8 (x + 1) - 3 (x + 4) = 7 (2 - x)

Solve the following system by graphing. What is the solution of the system? (3,3) (-3, 3) (3,-3)