Answer:
5
Step-by-step explanation:
Numerical form is an actual number as opposed to a word.
"Seven" is not numerical form.
"7" is numerical form.
Answer:
d
Step-by-step explanation:
it goes with the correct statements in the sentences it is the right symbol and has the variable for the unknown amount of devices
Answer:
(b) the unknown angle is 80°
Step-by-step explanation:
The unkown angle is:
[2(x-10)]°
Substituting "x" by 50 (part a)
[2(50-10)]°=[2(40)]°=80°
