Answer:
a. n x (2n +1) = 10
b. length: 5 width: 2
Step-by-step explanation:
5 is 1 more then 2 times 2
Answer:
-5
Step-by-step explanation:
multiple the second equation by negative then subtract or add the equations and the answer will be negative 5
Answer:
A
Step-by-step explanation:
56-70+70-21
126-91
35
3/14 is 0.214 and 1/6 is 0.16
Answer:
x=-1
Step-by-step explanation:
54x+64=49x+59
subtract 64
54x=49x-5
subtract 49x
5x=-5
divide by 5
x=-1