solve:

x+y+z=4
x-y+4z=27
5x+y+z=16

a). no solution
b). (5,3,-4)
c). (3,-4,5)
d). (5,-4,3)

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle