Herring gulls like to break open mussel shells by dropping them onto hard surfaces like rocks and roads. Agull drops a mussel from a height of 19.6 meters above a road. The height of the mussel above the ground as it falls can be modeled by the function h(t) = -4.912 + 19.6, where is time in seconds.
An oystercatcher, another bird that likes to eat mussels, wants to catch the mussel before it hits the road. The height above the ground of the oystercatcher's flight path can
be represented by f)=-71+ 18. Will the oystercatcher be able to catch the mussel before it hits the ground? If so, when?

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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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:

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step-by-step explanation: