Joe earns an allowance of $10 for each chore he does. he also earns $200 fee for doing his brothers chores for the week. which expression represents how much joe would learn for doing his chores A: 10 c + 20
B: 20 c
C: 10 c
D: 20c - 10

10c + 200

Step-by-step explanation:

c stands for chores

10 is the amount of $ earned for each chore he does

200 stands for the fee

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: