Answer:
the answer is 21
Step-by-step explanation:
4x to the power of 2 + 5x
so: 4*1 the power of 2 +5*1
4to power of 2 +5
and 4 to the power of 2 equals 16 (because 4*4=16) and +5
so 16+5=21
70% i think bc you add 49 and 21 and you get 70 the 49/ 70 is .7 which is 70%
The sentence in numerical form is 5x/7≤10
to solve, multiply by 7
5x≤70
lastly, divide by 5
x≤14
Answer;
22.5
Explanation;
7 1/2 + 15
-8 ........................