Describe the difference in the number of solutions between a system of linear equations
that coincide and a system of linear equations that are parallel.
(#4) ASAP PLS

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?