What is 3/10 and 4/15 when they have a common denominator

If sinx=.42, calculate the value of cos x?

What happens to a rational number in fractional form converts to a decimal

Complete the equivalent ratio table

Write an expression and evaluate. Sam earns time and a half for the hours he works over 38 hours a week. If he worked 42 hours last week and usually earns an $8 an hour, how much did he earn in overtime?

Noah bought '15 baseball cards for $9 assuming each baseball card cost the same Amount, Answer the following questions.

Ken read 30 pages of a book on monday and 1/8 of the book on tuesday, he completed the remaining 1/4od the book on wednesday. how many pages are there in the book?

What is the answer to (r-s) 3 r2 if r = - 3 and s = - 4

Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 - 7x + 4 has. Which best describes the discriminant and the number of zeros? The equation has one zero because the discriminant is 1.

Three times the sum of x and seven is greater than it equal to the sum of two x and six

the sum of the digits of a two-digit number is 9. when the digits are reversed, the new number is 9 more than the original number. find the original number. check your answer.