Answer:
1.7 units
Explanation:
The length of an arc is calculated using the formula below:

Substitute the given values of θ and r:

The length of the arc is 1.7 units.
X is greater than or equal to -9.
Each term of 10x + 5 has 5 as a factor, and 10x + 5 = 5(2x + 1). To factor an expression by removing common factors proceed as in example 1. 3x is the greatest common factor of all three terms. Next look for factors that are common to all terms, and search out the greatest of these.
I couldn’t really read this question but to multiply two decimal numbers you first ignore the decimals and multiply the numbers and then add in the decimal based off how many were in the question. For example, 1.1 x 0.4= 0.44. I hope this helps you