Do mentos cool things down

Lines AB and CD are parallel. If 7 measures (2x + 4) °, and 6 measures 50°, what is the value of x?

A couple of us for twenty five minutes to five hours how long did they rest in eight hours

Anybody know how to solve? √200k^3

for f (x) = 3x+1 and g (x) = x^2-6, find (f o g) (4)

What is the mass and charge of a neutron and a proton? Where are they found in an atom?

What is the interquartile range of the following data set? 13, 17, 18, 15, 12, 21, 10

Consider the following equation: f′ (a) = limh→0 (f (a+h) - f (a)) / h Let f (x) = 3√x If a≠0, use the above formula to find f′ (a) = Show that f′ (0) does not exist and that f has a vertical tangent line at (0,0)

Which of the following describes graphing y ≥ |x| - 4? Translate y = |x| down 4 units and shade inside the V. Translate y = |x| up 4 units and shade inside the V. Translate y = |x| left 4 units and shade inside the V.

A train goes at a constant speed. If it covers 150 miles in 2 1/2 hours, How long would it take for that train to cover 270 miles?

0.35555555555 as a fraction