Write the sum using summation notation, assuming the suggested pattern continues. -10 - 2 + 6 + 14 + ... + 110 summation of negative eighty times n from n equals zero to fifteen summation of the quantity negative ten plus eight n from n equals zero to fifteen summation of the quantity negative ten plus eight n from n equals zero to infinity summation of negative eighty times n from n equals zero to infinity

$18 was the price of the t-shirt

step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

what i would say the best answer is a. 40.5