Answer:
0.84
Step-by-step explanation:
4x2+13a+10=7
13a=7-10-8
13a=-11
a=-11:13
a=0.84
Answer:
a/9 - 4
Step-by-step explanation:
Answer:
−36+4
Step-by-step explanation:
Answer:
22.5
Step-by-step explanation:
multiply 5 x 7 and add half of 5.
multiply 3 x 7 and add half of 3.
width is 22.5