Help plzzzzzzzz

BeyondHorizon · January 14, 2008, 4:27pm

Re: Help plzzzzzzzz

Heya people…need some help plz

** Question 1**

Calculate the value of x when y = 1.

y=3x + 7
Y = 1
**
Question 2**

Calculate the value of R when V = 240 and I = 5.

V=IR

V = 240
I = 5

**
Question 3**

Calculate the value of r, correct to 3 s.f., when A = 90 and I = 8.3.

A = ttrl
S = 12.6
B = 7.4
C= 8.5

**Question 4

** Calculate the value of a when s = 12.6, b = 7.4 and c = 8.5.
      a+b+c
s= 2

In full answerz :S
plz help i BEG u all, am totally stuck

whats the relation between s and a, b, c ?