Doubling the sum of steve's and sophie's ages gives 38. if sophie is 10 years old, how old is steve?

a. 4

b. 28

c. 14

d. 9

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle