Which ratios can form proportion?

a) 9/45,8/20

b) 8/12, 12/21

c) 8/12, 12/15

d) 9/22, 14/28

Expand: In 2a3/b4 a) ln 2 + 3 ln a - 4 ln b b) ln 2 - 3 ln a - 4 ln b c) ln 2 - 3 ln a + 4 ln b

Which is more 11 pints or 1 gallon

Which ones greater 3/4 or 11/16?

There ways to know how a rectangle and a square are alive

4.1 Fill in the next 2 terms/numbers/shapes in the following patterns: 4.1.1 1; 3; 9; ... 4.1.2 -15; - 8; - 1; ...

What is 45 over 2 in decimals?

Solve the equations: a (9x-5/2) - (3+2x/3) - (8x-2/4) = 2 b (5x-1/7) + (4x-3/2) - (3-2x/2) = 6 c (8x+7/6) + (3-2x/4) - (5x-2/2) = 32

Approximate the square root of two to the nearest tenth

Annabelle's mom backed one dozen cupcakes Annabelle took 1 third of that to school how many cupcakes did she take

The minimum daily requirement of vitamin C for 14-year-olds is at least 50 mg per day and average sized apple contain 6 mg of vitamin C how many apples would a person have to eat each day to satisfy this requirement