Can someone help me please is this correct?

Subtraction.

Step-by-step explanation:

You Subtract 6 on both sides first and then you multiply the denominator which is 11 to the other side of the equal sign.

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17