For a & b use the distributive property or factoring to write an equivalent expression. a. x(3x + 2)

b. 4x +8

(DO NOT GIVE ME A LINK AS AN ANSWER)

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

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: