In a lab, the mass of object a is 2.5 kg. object weighs what?

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

27 is what percent of 108? 27 is % of 108

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?