Plus means addition and square root means √
3 plus the square root of negative 16: 3 + √-16
Minus means subtraction and square root means √
6 minus the square root of negative 64: 6 - √-64
Its asking you to multiply both quantities.
(3 + √-16) * (6 - √-64)
Best of Luck!
Answer:
40,60,80
Step-by-step explanation:
2x+3x×4x=180
9x=180
x=20
2x=40
3x=60
4x=80
Answer:

Step-by-step explanation:



You multiply the exponents to get:

Then you divide it by 
When dividing exponents, you subtract.
10 - - 2 = 12 so the exponent is 12.
That leaves us with:

Answer:
Annuity due is an annuity whose payment is due immediately at the beginning of each period. Annuity due can be contrasted with an ordinary annuity where payments are made at the end of each period. A common example of an annuity due payment is rent paid at the beginning of each month.
Step-by-step explanation:
Examples of annuities are regular deposits to a savings account, monthly home mortgage payments, monthly insurance payments and pension payments.
Answer:
280
Step-by-step explanation:
50% is half, so to get the total, multiply 140*2 which is 280.