Use this information to find the value of b. c = 25

s = 9

b = 4c - s2

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Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer