simplify: x^2-49

x^2+x-56
the symbol ( ^ ) means that its the little number above the variable. this is a rational expression.
the choices are as follows:
a. x-7

x+8
b. x+7

x+8
c. x+7

x-8
d. x-7

x-8

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. monthly temperatures: 63 degrees upper f comma 67 degrees upper f comma 71 degrees upper f comma 75 degrees upper f comma and 79 degrees upper fmonthly temperatures: 63° f, 67° f, 71° f, 75° f, and 79° f