What is 121 divided by 11 using base ten blocks

Four more than three time a number is greater than twenty-two

6x298 using friendly numbers

Carbon-14 is a radioactive isotope that decays exponentially at a rate of 0.0124 percent a year. How many years will it take for carbon-14 to decay to 10 percent of its original amount? The equation for exponential decay is At = A0e-rt.

Edward can read 3/4 of a book in one week. At that pace, how many books can he read in 8 weeks?

7^5 • 7^6 as a single exponent

12345678910 Which expression shows 12 more than the quotient of 63 and 9. A) 12 + 63 : 9 B) 12 + 9 : 63 C) (12 + 63) : 9 D) (12 + 9) : 63

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2