Find the specified vector or scalar.u = -2i + 1j and v = -5i + 1j; Find 
.
A. 
B. 3
C. 
D. 
Answer: C
Mathematics
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Write the first four terms of the geometric sequence with the given values.a1 = 53, r = 0.4
A. 53, 21.2, 8.48, 1.36 B. 21.2, 8.48, 3.392, 1.36 C. 53, 8.48, 3.392, 1.36 D. 53, 21.2, 8.48, 3.392
Mathematics
Solve the equation for exact solutions over the interval [0, 2?).sec2x - 2 = tan2x
A. ?
B. 
C. 
D. 
Mathematics
Subtract and check the difference.
A. 4395 B. 4397 C. 4315 D. 7397
Mathematics
Solve the problem.A roll of fake grass carpeting for patios sells for $20 and can cover 15 square feet of area. Fred wants to carpet his patio which measures 6 yd by 8 yd. How much will it cost Fred to purchase carpet for the patio? (Note: only full rolls of carpeting can be purchased)
A. $20 B. $8640 C. $580 D. $80
Mathematics