Mr. Kim's charry tree grew 12 inches in 3/4 of a year. At that rate, how much would it grow in 1 year?

16 Inches

Step-by-step explanation:

75% × x = 12

or,  

75 /100  × x = 12

Multiply both sides by 100 and divide both sides by 75,

x = 12 ×  100 /75

x = 16

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form

(1,-1) i hope this

step-by-step explanation: