Answer:
0.21
Step-by-step explanation:
For independent probalities, the chance of both things happening is their product. 0.3 * 0.7 = 0.21
False because parentheses go first.... just follow PEMDAS
Answer: Equation of st line is Y= -9X + 141
Step-by-step explanation: Given Y= 24 when X = 13 and Y = 87 when X = 6
Let the equation be Y = mX + C
24 = m*13 +C
and 87 = m* 6 +C
Give m = -9 and C = 141
Equation of st line is Y= -9X + 141
X+y/2=1
-2+6/2=1
-2 + 3 =1 true
⇒ ( -2, 6) is the solution
