3 years ago

Anyone can help wright answers only

Mathematics

1 answer:

dimaraw [331]3 years ago

7 0

Answer:

subtitute the value of x and y to the expression.

Step-by-step explanation:

21.

$4 {x}^{2} + 30y = 4 \times {7}^{2} + 30 \times 2$

$= 196 + 60 = 256$

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