Q4. At 7 am the temperature was -4 °C
By 3 pm the temperature had gone up by 10 °C
(a) Write down the temperature at 3 pm.

i'm assuming it's looking for the missing length, which should be 4cm

hope this !

c. 4 and 1/2 pounds is the answer! : )

the one on the bottom left

step-by-step explanation:

all of the other ones have a specific pattern

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.