-4x = -60
x = -60 / -4
x = 15
The answer is
In the word "Mathematical"
Vowels are "a", "e", "a", "i", "a" from left to right
Consonants are "m", "t", "h", "m", "t", "c", "l"
5 vowels and 7 consonants of total 12 letters
So the probability of picking a vowel is
Use the Pythagoras Theorem:-
5^2 = x^2 + 3^2
x^2 = 5^2 - 3^2 = 16
x = sqrt 16 =4 feet Answer
Answer:
1a: f(-2) means substituting -2 for x
1b: 65
I don't know the second one