Write the letter of the correct answer on the space provided
4.)translate the squareof x plus five in mathematical phrase
A. 2×+5
B. X²+5
C. (x+5)²
D. (5+x) ²
5.)what is the sum of 3ײ+1and7ײ+8
A. —4ײ—7
B. 4ײ—7
C. 10ײ+9
D. 21×⁴+8
6.)what is the difference of 8k³+6k—7 and 4k³—2k+3
A. 4k³+4k—4
B. 4k³+8k—10
C. 12k³+4k—4
D. 12k³—8k—10