A singer-songwriter wishes to compose a melody. each note in the melody must be one of the 1010 notes in her vocal range. how many different sequences of 33 notes are possible?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.