Question

T² +8st + r² T=11 r=2 s=3

Answer 1

Answer:

Step-by-step explanation:

Following PEMDAS:

$11^2+8*3*11+2^2\\121+8*3*11+4\\\\121+24*11+4\\121+264+4\\389$

Answer 2

Answer:

389.

Step-by-step explanation:

1. Write the expression.

$t^2+8st+r^2$

2. Substitute the variables by the given values.

$(11)^2+8(3)(11)+(2)^2$

3. Simplify the exponents.

$121+8(3)(11)+4$

4. Multiply.

$121+(264)+4$

5. Add and subtract.

$389.$