Answer:
x=-5
Step-by-step explanation:
Combine like terms: 7x-11=-46
Add 11 to -46: -35
Divide: 7x/-35
ANSWER: x=-5
First one C second one D sorry if I’m wrong
Answer: 2n
Step-by-step explanation:
Silvia is n, sister is n, total is n+n=2n.
Answer: The answer will probabily be "undfined" or "error"
Step-by-step explanation: firtst u need to find the dot product of both a and b (a.b).
then the magnitude of both (√a ,√b)
then u substitute them into the equation
∅=cos-1(a.b/√a x √b)
u will find it to be error bcoz it will be (0/√3 x 0)
