What is the exact value of cos (121) cos ( 7.) - sin ( 121 ) sin (+)?
5
2.
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کہ
3
2
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way NW
N

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1

the probability that a bird is green (.30) is true

step-by-step explanation:

the awnser is visionary

step-by-step explanation:

its 512 because parenthesis and to the 2nd power is 512 so it will be 512