A rectangle has 4 sides
each side is a right angle
a right angle by definition is 90 degrees

False
Answer: i believe the answer is B
Step-by-step explanation: because if p to q is true, then that means p and q are both true!
The answer to this is a=3
We can express this number in the standard form, which is simply 15xyz+10xy+5x. Alternatively, we can factor a 5 or an x out, receiving 5(3xyz+2xy+x) or x(15yz+10y+5). However, the most effective factorization is to factor out 5x, for a result of 5x(3yz+2y+1).