Angle 1 and 2 are complementary.

angle 1 = x
angle 2 = (2x + 30)

what is the value of x?

A) 20
B)40
C) 50
D) 73.5

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Write the fraction or mixed number and the decimal shown by the model