Answer:
93
Step-by-step explanation:
63 - (-30) = 63+30=93
Answer:
5x+16
Step-by-step explanation:
2(x + 6) + 3x + 4
Distribute
2x+ 2*6 + 3x+4
2x+12 + 3x+4
Combine like terms
2x+3x +12 +4
5x+16
Answer:
y = 20
Step-by-step explanation:
<h3>i) move 9 to the right-hand side and change its sign</h3>
<h3>ii) calculate the difference</h3>
<h3>iii) change the signs on both sides of the equation</h3>
<h3>iv) square both sides of the equation</h3>
<h3>v) move -4 to the right-hand side and change its sign</h3>
<h3>vi) add the numbers</h3>
Answer:
31
Step-by-step explanation:
First of,
or, in probability is subtraction and not means you shouldn't use green (therefore leaving you with yellow and red)
Red = 42
Yellow = 20
P(Yellow or Not Green) = 
⁘ 
= 
Hence, 31
