Suppose one person sends a letter to seven people, and the following week those seven people send a letter to seven other people. If this pattern continues, how many letters will be sent out on the fifth week?

If $1,100 is deposited into a saving account 11% interest paid annually how much money will be in the account in 10 years

Lisa is 6 years older than Tom. Their father's age is twice the sum of their ages. How old is lisa if her dad is 32?

Translate the word phrase into a math expression. Antwan pays $12 per hour to rent a canoe for the afternoon.

A pair of designer sneakers was purchased for $120. Since they were purchased, their price has increased by 15%. What is the new price?

To how many significant figures should each answer be rounded? a) (6.62610^-34 Js) (2.997910^8 m/s) / 4.07010^-7 m = 4.880610663391*10^-19 J (unrounded) b) (6.02210^23 atoms/mol) (0.589 g) / 20.18 g/mol = 1.75810^22 atoms (unrounded)

Solve for x x+4y=6,3y=12

How do I solve 6x+3=18. And 5 (4x-5) = 155

State which of the following sets of ordered pairs represent a function. Set A: (5, 2), (4, 3), (3, 4), (2, 5) Set B: (-1, - 6), (0, 2), (1, 2), (3, 6) Set C: (2, 1), (4, 2), (2, 3), (8, 4) a. Set C b. Set B c. Set A d. Set A and Set B

Given the flag of djibouti with length 20 cm and breadth 12 cm. The red star take up 5% of the area of the white triangle. The white triangle's tip is in the center of the flag. Find the area of the red star?

If the apy of a savings account is 3.7%, and if the principal in the savings account were $3600 for an entire year, what will be the balance of the savings account after all the interest is paid for the year?