Which calculations could be used to solve this problem? isabel's art class has 27 students. there are 2 times as many boys as girls in the class. how many boys are in the art class? choose all answers that are correct. a. add 27 + 2. divide the sum by 2. b. divide 27 ÷ 3. multiply the quotient by 2. c. multiply 27 × 3. divide the product by 2. d. divide 27 ÷ 3. subtract the quotient from 27. i really need the

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.