What value of x makes this equation true? -100 + x = -190 a. -10
b. 10
c. -90
d. 90

Please show work.

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out