By rounding each of 9.85, 3.875 and 6.3 to the nearest whole number work out an estimate for the answer to 9.85^3 / 3.875 + 6.3^2

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

An amusement park manager determined that about 23 of all customers would wait in long lines to ride the new roller coaster. which simulation could not be used to answer questions about whether a customer would wait?