Answer:
false
Step-by-step explanation:
because 17.5×4 doesnt equal 20
Answer:

Step-by-step explanation:
1 1/8 = 9/8
9 - 7 = 2
9/8 - 7/8 = 2/8
2/8 = 1/4
-3x(-7) = -3(-2)(-7) ⇒ -42
-42 would be the answer.
Answer:




Step-by-step explanation:
Given:



Solving (a): The value of y
From the given parameters, we understand that

Substitute values for RS, ST and RT

Collect Like Terms


Divide both sides by 2


Solving (b):
<em>The value of RS</em>
Substitute 6 for y in 



<em>The value of ST</em>
Substitute 6 for y in 



<em>The value of ST</em>
Substitute 6 for y in 



Answer:
3
Step-by-step explanation:
subtract 1 from 13 divide the number by 4