Answer:
a) 
b) -14
c) -3
d) -96
Step-by-step explanation:
a) The parenthesis indicate multiplication.
b) Minus and plus gives subtraction, and the sign you put behind the number is the sign of the largest number you have (in this case it's 21 since we ignore the -)
c) They already have common denominators, all that's left is to do 
d) The parenthesis indicate multiplication.
Good luck!
Answer:
About 87$
Step-by-step explanation:
Yu take both salary amounts an divide by 52 since there are 52 weeks in a year and then find the difference between them
Step-by-step explanation:
From given data,
n = 1496
x = 478
Proportion estimate ( p ) = 
= 
= 0.3195 ≅ 0.31
Proportion estimate ( p ) = 0.31
∴ The proportion of new car buyers who prefer foreign cars -> 0.31
900,000,000. move the decimal until you have a number between 1-10 so move it 8 times and you'll have 9×10^8
Answer:
d
Step-by-step explanation:
