Add. 2/3 + 2/3
A) 2/3
B) 1 1/3
C) 1 1/3
D) 4/9
E) 4/9
B) 1 1/3
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Provide an appropriate response.Perform the operations and express in scientific notation: 
3
A. 8 × 10-6 B. 8 × 101 C. 6 × 10-6 D. 6 × 101
Translate the phrase to an algebraic expression. Use n for the variable unless otherwise stated.u divided into negative thirteen
A. u ÷ (-u) B. -13 - u C. u ÷ (-13) D. -13 ÷ u
Solve the problem.A building 150 feet tall casts a 70 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 5 feet above ground level.)
A. 61.13° B. 28.87° C. 64.98° D. 64.23°
Write the binomial expansion of the expression.(3x2 + 4)3
A. 27x6 + 108x4 + 144x2 + 64 B. 27x2 + 108x2 + 144x + 64 C. 81x8 + 27x6 + 108x4 + 144x2 + 64 D. (9x4 + 24x2 + 16)3