Combine like terms in the expression 4a squared + 5 - 3a squared

Enter the missing value into the box to complete the ratio comparing 6 yd to 9 ft.

Brayden ran 1/3 of a race in 2/9 of a minute. How long will it take him to run the entire race?

What is 11.5 times 30

Which expression is less than - (-|-4.2|) ? a. |-4.2| b. - (-4.2) c. - | - (-4.2) | d. | - (-4.2) |

5 + (6 x [18 / 3 x 2] + 4) - 7

A borrower pays 18% interest per year on the first Rs. 600 he borrows and 17% per year on the loan on the part of the loan in excess of Rs. 600. How much interest will the borrower pay on the loan of Rs. 6000 for one year? [CMAT 2004) a. Rs. 1,020 b.

What is 230,000 written in scientific notation?

Work out the value of 2a + ay when a = 5 and y = - 3

Ashton estimates the square root of 72 in the following way: √72 = 2√36=2*6=12 A) Explain why his reasoning is incorrect. B) Estimate the square root of 72 to the nearest tenth without using your calculator. Show your work.

Laura tiene 30 años menos que su padre y este tiene el cuadruple de los años de su hija. cual es la edad de cada uno ayudenme por favor