What is the solution of a system defined by 5x + 2y = 30 and - 5x + 4y = 0?

1. if 1/3 is equivalent to 33 1/3% what percent is equivalent to 2/3? 2. Alice plays basketball. in one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes. 3. Estimate 48% of $23.95

What is the degree of the polynomial below 7x^5+6x^3+4x+2

Velma invested $5400 in a savings account with a yearly interest rate of 4% for 7 years. How much simple interest did she earn?

If the mean of m, n, s, P and q is 12. Calauate the mean of (m + 4), (n-3), (s+6) (p-2) and (q+8).

222 is 40% of what number

How do you solve 840 - 56

Tony has 37 block then he buys more blocks now he has 51 blocks. How many blocks does Tony buy

A firkin is an old British unit of volume equal to 9 gallons. How many cubic meters are there in 6.00 firkins?

The procedures can also be called the methods

Jen Butler has been pricing Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 136. Two adults and three children must pay $ 97. Find the price of the adult's ticket and the price of a child's ticket.