Answer:
40
Step-by-step explanation:
Substitute the variable, x, with 4
3(4) + 7 (4)
Multiply
3(4)= 12
7(4)= 28
12 + 28 = 40
Answer:
50.39
Step-by-step explanation:
40% of 35.99 aprox. equals 14.40. 35.99 + 14.40= 50.39
Answer:
A, D, and E
Step-by-step explanation:
80% off 22 is 17.6
A- 80 ? 100=0.8 x 22= 17.6
D- 0.8 x 22= 17.6
E- 4/5=0.8 x 22= 17.6
Answer:
216
Step-by-step explanation:
6 x -6 is -36 and -36 x -6 is 216
Answer: 1/(Y^2) or if you want in y^n is y^2
apply exponents law (a^b) ^c = a^b c
take off the parenthesis
1/2 · 4
1 · 4/(2)
4/2
divide it
4/2= 2, nevertheless it become -2
y^-2
1/(y^2)