The total cost of 2 bracelets and 3 necklaces is $15.50. The total cost of 4 bracelets and 1 necklace is $13.50. Let b represent the number of bracelets and n represent the number of necklaces. This situation can be represented by the system of equations below
2b + 3n = 15.50
4b + n = 13.50
What is the cost of one bracelet?
A
$5.00
B
$2.50
C.
$3.50
D. $7.75

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true