HELP In the diagram, line x is parallel to line y, mZ1 = 65°, and m27 = 55°. Stuart says that
m212 = 60°. His reasoning is shown.
Step 1: m 28 = 60°, because mZ1 + m27 + m28 = 180°.
Step 2: Z8 212, because 28 and Z12 are corresponding angles.
Step 3: So, mZ12 = 60°
Use the drop-down menus to explain whether or not Stuart is correct.
10/11

i think it is c, not positive though

step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)