Select the correct answer. Vector u has its initial point at (17,5) and its terminal point at (9, -12). Vector v has its initial point at (12, 4) and its terminal point at (3,-2). Find
113u - 2v11. Round your answer to the nearest hundredth.
OA 29.79 units
OB. 32.12 units
OC. 39.46 units
OD. 42.23 units
C

is this part of a question or something

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

a is the right answer

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,